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Do We Know in Advance What Will Make Us Happy?
Psychology and Self-Understanding

Do We Know in Advance What Will Make Us Happy?

Between tomorrow’s image and its experience: revising expectations without losing hope

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The Morning After a Wish

In this imagined scene, Maryam stands at her new apartment's window. For months she showed its photograph to a friend, saying its light would make every morning different. The keys arrived, boxes moved, and she truly felt happy. But Tuesday morning brought work emails, a late appointment, and repair noise next door. The window remained beautiful; life remained full of demands. Maryam was not entirely mistaken about the apartment. Perhaps she had assigned its window a task beyond its capacity: changing how she felt about her whole life.

In another imagined scene, Samer awaits an interview for a job he wants. He imagines rejection turning the coming weeks into endless disappointment. A refusal may hurt, perhaps persistently, but his present picture leaves out a friend's call, another opportunity, or engagement with everyday responsibility. Both approach tomorrow through a scene in the mind today. We need neither mock her hope nor his fear, but understand the distance between image and experience.

Asking what will make us happy is no intellectual luxury. We choose where time goes, where to live, and what deserves sacrifice. Yet the large question hides smaller ones: Happiness at which moment, in what sense, and for how long? This article unpacks the question, examines research's limits, and turns toward a more modest practice of imagining the future.

Opening questions:

  • Am I predicting my feeling on hearing the news, or throughout a whole day afterward?
  • Which everyday details disappear when I focus on one wish?
  • When does others' experience help, and when do their circumstances differ from mine?
  • How can I preserve hope without turning it into a categorical promise of happiness?

1. Which Feeling Are We Trying to Predict?

Psychology calls predicting our emotional reactions to future events “affective forecasting.” We may reasonably anticipate a feeling's direction: meeting a loved one is likely to bring joy, losing something cherished sadness. This does not establish intensity, duration, or mixture with other feelings. Someone can celebrate academic acceptance while worrying about its cost. “I will be happy” therefore remains incomplete without specifying what it measures.

“People base many of their decisions on affective forecasts.”
Timothy Wilson and Daniel Gilbert, rendered through the Arabic editorial excerpt from the abstract of “Affective Forecasting: Knowing What to Want” (2005). Source

Consider someone wanting to learn an instrument. Happiness may mean playing a first melody, pride in a year's progress, or comfort in weekend practice. These are related but different. Predicting achievement's joy and measuring boredom during a difficult exercise does not accurately test the prediction. Focusing only on success while ignoring practice's costs also fails to describe the complete experience. We need both questions rather than canceling one for the other.

Distinguish prediction from desire too. “I want this trip to make me happy” expresses hope; “It will make me happier every evening for a month” is a revisable forecast. Desire can unnoticed become prediction, especially after spending money or time. Admitting a mixed experience may then feel like admitting a mistake in our very selves. Yet a good experience may not produce the imagined mood, and partial disappointment need not invalidate the entire choice.

Happiness is not the sole measure of a good life. We may choose caring for a relative, learning a necessary skill, or keeping a commitment knowing it will be tiring. Expected feeling is then information within judgment, not its only judge. Questions about happiness mature alongside meaning, capacity, and duty. Beneficial actions need not promise immediate delight to be worthwhile.

This protects the discussion from reduction to pleasure accounting. We seek self-knowledge to choose better, not expel difficulty from every day. A plan may suit us despite fear, while a brilliant imagined possibility conflicts with what matters. Before assessing forecast accuracy, identify the aspect to predict and the weight it deserves in deciding.

Predicting an event's occurrence also differs from predicting feeling if it occurs. Someone may doubt acceptance into a program yet be sure acceptance would delight them. They may expect an opportunity without knowing whether its daily life will suit them. These uncertainties do not resolve each other. For Samer, examining acceptance prospects helps interview preparation; imagining his day after the answer helps understand fear. Confusion can make desire's intensity seem evidence of likely success, or fear of disappointment a judgment about its probability. This is our analytical distinction for organizing questions, not an additional finding attributed to the studies.

2. When One Wish Fills Tomorrow's Screen

The abstract of Wilson and Gilbert's 2005 review presents “focalism”: giving the event under consideration a large place while underestimating other events' contribution to future feelings. It also discusses overlooking ways we will understand and cope with experience afterward. These are proposed mechanisms in research literature, not a law that every emotional effect is brief or everyone adapts to every circumstance, however severe.

Maryam imagined nothing impossible: light may genuinely delight her. The possible problem is its share of her pictured morning. She did not imagine searching for lost keys or awaiting an important answer. Realism does not require filling imagination with misery. She can simply add what will remain and what will actually change, instead of treating one move as a complete recreation of the day.

Try a thought exercise: describe an ordinary day after the wish comes true, from waking to sleeping. Begin not with opening the business, graduation, or the first night in a city, but a day unworthy of a photograph. Where do you go? Whom do you speak with? What work repeats? What hoped-for escape remains with you? This proposed writing exercise broadens the image; it is not a validated psychological test guaranteeing good decisions.

It may reveal that a minor feature in the advertisement matters most in daily life: nearby transport, visiting family, or a quiet working hour. Or a supposedly manageable daily cost may occupy more space. Either way, we move from one dominant symbol toward a description open to questions and verification. We need not abandon the beautiful symbol, but learn what surrounds it.

This idea must not diminish material conditions. A safe room is not merely “mental focus,” and livelihood-supporting work is no emotional whim. Some changes concern life's foundations, and recurring pressures do not vanish through shifted attention. Telling someone in harmful circumstances that their problem is thinking about it too much is unfair. Broadening the picture aids understanding; it does not erase genuine harm or the need for change.

The more precise question may be: Do I predict the effect where change actually occurs, or extend it into unchanged areas? A larger home does not automatically resolve relationship conflict, and professional recognition does not organize time by itself. Every wish carries a specific promise. Recovering its boundaries allows fair appreciation: neither belittling its gifts nor demanding what it never contained.

3. Before Saying You Were Wrong: Did You Compare the Same Question?

In Linda Levine and colleagues' 2012 study, participants predicted feelings concerning an election result or examination grade. Researchers distinguished feelings about the event from feelings overall. Ambiguity in understanding the forecasting question could explain part of measured overestimation: people might predict how they feel while thinking about the event, then later report general feelings. Clarifying the question reduced overestimation in these investigations. This is a measurement finding, not proof that all forecasts are accurate.

“Overestimating future emotions is partly produced by a procedure in which people predict one thing and are then asked to report something else.”
Linda Levine and colleagues, rendered through the Arabic editorial excerpt from the abstract of “Accuracy and Artifact” (2012). Original text

This qualification helps outside laboratories. Suppose you expect pleasure during an exhibition visit, then ask after an exhausting day whether you were happy all day. The exhibition may have fulfilled expectations while something else affected the day. Conversely, you may enjoy the moment but find repeated visits inconvenient. Moving an answer between different questions unnoticed produces little knowledge.

To learn from choices, write a clear forecast beforehand: “I expect to enjoy the training hour and want to return afterward.” Then ask about that same hour and desire, adding separate questions about cost or fatigue. This personal-observation suggestion is no controlled experiment: circumstances, memory, and expectations' influence on behavior remain.

Retrospective self-judgment also needs caution. “I should have known” implies today's complete picture existed before the choice. Perhaps it did not. We may now combine previously unknown details or change the success criterion after the outcome. Fair review recalls available information and distinguishes avoidable error from surprises that were not reasonable to anticipate.

Every outing need not become an assessment table. Choose one recurring decision you want to understand: a weekend activity, reading time, or how to spend a visit. Recording that burdens and spoils experience defeats its purpose. Useful knowledge expands living, rather than making us constantly monitor our faces to ensure the correct quantity of happiness.

Another humility allows a complex result. “The meeting was lovely but exhausted me” describes more than forcing it into success or failure. Adjusting duration, company, or timing may suit us better than repeating it unchanged or abandoning it. The goal is not a final verdict on desires, but better questions for them.

4. Others: A Window on Experience, Not a Substitute for the Self

In two experiments published by Gilbert and colleagues in Science in 2009, college students predicted feelings more accurately after learning another student's reaction to the experience than after receiving information about the event itself. The experiments concerned a brief acquaintance encounter and peer evaluation, with small forecasting samples of 25 and 88. Participants did not anticipate social information's advantage. The research is specific; it does not show that anyone's opinion surpasses self-knowledge in every decision.

“Individuals differ.”
Daniel Gilbert and colleagues, rendered through the Arabic editorial excerpt discussing limits of learning from others' experience, “The Surprising Power of Neighborly Advice” (2009). Original text

That short phrase matters: shared experience does not erase differences. Asking a resident of a prospective city whether they are happy is insufficient. What is their day like? Where do they work? Who helps? Which advantage benefits them because of their circumstances? A beloved park may be far from our job, and supportive relatives may explain comfort that does not transfer merely by moving to the same neighborhood.

Good questions seek description before evaluation. Instead of “Would you recommend this hobby?” ask: What happens in an ordinary class? What was harder than expected? What did you undervalue before beginning? Listen to multiple experiences if possible, including someone who stopped. These are consultation suggestions, not procedures drawn verbatim from the experiments. Their logical usefulness lies in revealing assumptions concealed behind broad judgments.

Do not choose advisers solely for confirming an existing picture. Enthusiasts and dissatisfied people may both be sincere while seeing different angles. For a craft, ask about repetitive days as well as achievements; for a social activity, ask about its commitments. We do not gather votes to elect our life, but details for expectations closer to reality.

Small trials may sometimes help: an introductory class before a long subscription, a working-day visit rather than only tourism, or borrowing equipment before buying. Not every decision can be tried, and brief trials may poorly represent long experience. State their limits instead of calling them guarantees. Their value is adding particular experience to imagination while leaving space for the unknown.

This also has human meaning beyond accuracy: others have encountered details we cannot summon alone. Consultation is not weakness, and choosing differently from another's experience is not dismissing them. We can listen seriously and choose differently because similarities and differences are clearer. Maturity uses shared experience without dissolving life's individuality within it.

5. In the Light of the Quran and Islamic Wisdom

The Quran places knowledge of tomorrow within a clear boundary. Surat Luqman's ending mentions knowledge of the Hour and unseen matters, including God's words:

TRANSLATION OF THE MEANING · COMPLETE VERSE 31:34Indeed, Allah has the knowledge of the Hour[1]. He sends down the rain and knows what is in the wombs[2]. No soul knows what it will do tomorrow[3], nor does any soul know in which land it will die. Indeed, Allah is All-Knowing, All-Aware.Translation notes: [1] i.e., the time of its occurrence. [2] Abdullah ibn Mas‘ūd reported that the Prophet (ﷺ) said, “The creation of each one of you is brought together in the womb of his mother as a drop of discharges for forty days, then it becomes a clinging clot of blood for a similar period, then a lump of flesh for a similar period. Then an angel is sent to blow life into the embryo. Then the angel is commanded to write four things: his destined provisions, lifespan, actions, and whether he will be happy or miserable.” [Al-Bukhāri and Muslim] [3] i.e., its timing, its quantity, its location, etc.Rowwad Translation Center · QuranEnc · v1.0.20.
The Quran, excerpt from Luqman 31:34. Verse and context

This concerns human knowledge's limits, not experimental mood forecasting. Reflectively, we can distinguish taking practical steps from possessing the future. We investigate, consult, and predict without claiming everything ahead is known. This is a practical interpretation, not an account confining the verse to a modern psychological topic.

Surat Al-Kahf connects speaking of tomorrow's action with God's will; its prohibition should not be separated from the exception that follows:

TRANSLATION OF THE MEANING · COMPLETE VERSE 18:23And never say about anything, “I will surely do this tomorrow[1],”Translation notes: [1] For you do not know whether you will be able to do it or you will be diverted from it.Rowwad Translation Center · QuranEnc · v1.0.20TRANSLATION OF THE MEANING · COMPLETE VERSE 18:24without adding, “if Allah wills.” And remember your Lord if you forget, and say, “My Lord will hopefully guide me to something closer to what is right[1].”Translation notes: [1] As soon as one remembers not saying inshā’ Allah concerning doing something in the future, he should say it. Also when one forgets something, he should mention Allah so as to remember things.Rowwad Translation Center · QuranEnc · v1.0.20.
The Quran, Al-Kahf 18:23 and the beginning of 18:24. Connected text

Acknowledging God's will does not make promises irresponsible or remove planning. In this article's ethical reflection, ambition can accompany willingness to adjust as knowledge changes. We need not insist that only one future can suit us or every alteration destroys life's meaning. We seek and pursue good while remaining able to learn from events.

The balance between effort and acceptance is complemented by the hadith:

“Be eager for what benefits you, seek God's help, and do not give in to helplessness.”
The Prophet Muhammad ﷺ, narrated by Abu Hurayrah in Sahih Muslim 2664, Book of Divine Decree; rendered from the Arabic quotation. Full hadith

It combines seeking benefit, seeking help, and avoiding helplessness, then addresses responses to what befalls us. We use it neither to promise perpetual good mood nor accuse suffering people of deficient faith. It offers a horizon for action: serious effort without a guaranteed emotional outcome. Caring for and helping sufferers remains a responsibility, not an examination of how well they forecast the future.

6. A Serious Objection: Does Hope Need Some Exaggeration?

A reader may object that scrutinizing every wish so precisely would drain the enthusiasm to begin. Another may question the science: Have researchers exaggerated our inability to know what will make us happy? Both deserve consideration. Imagining the future is more than calculation; it can give direction and motivation. Not every bright image claims a difficulty-free life.

Scientifically, debate did not end with Levine's study. Wilson and Gilbert responded in 2013, criticizing some study selections, classifications, and pooling of conditions, and arguing that procedural ambiguity does not generally explain forecasting errors. An explanatory article cannot settle this methodological dispute, but must present it: evidence of overestimation exists in some contexts alongside genuine questions about its magnitude and measurement. We therefore avoid declaring people invariably poor at forecasting feelings.

“The impact bias is alive and well.”
Timothy Wilson and Daniel Gilbert, rendered through the Arabic editorial excerpt from their critical reply's conclusion (2013). Original reply

Practically, hope can remain a possibility we work toward rather than a binding contract with life. “This could be a beautiful beginning” opens a door; “I cannot be happy unless this happens” closes others prematurely. Precision requires no pessimism, but giving wishes their proportion and the unknown its place. The most sustainable enthusiasm may recognize ordinary days as part of the journey.

Adaptation should not justify injustice or ongoing pressure. Group findings cannot establish when a particular person's pain will end. This article addresses everyday choices and revisable expectations, offering no diagnosis or treatment. When harm is ongoing, removing it and seeking help are more responsible than asking its subject merely to adjust imagination.

A Practical Exercise: One Page Before and After Choosing

Choose a simple, testable decision and write a specific sentence about your hope. Describe an ordinary day afterward, adding remaining commitments. Ask someone with similar experience about unforeseen details and note an important circumstantial difference. If possible, try a limited version before a longer commitment. Afterward, repeat the same question before adding another.

Look not for evidence condemning yourself, but one adjustment: a shorter duration, better timing, clearer criterion, or a desire revealed as not your own. Leave an explicit space for uncertainty. This proposed thinking practice is no validated scientific scale. Practical success means a slightly clearer next decision and less need for one choice to make you happy continually.

An imagined example makes this concrete. Layla wants a weekly drawing workshop to provide a pleasant evening away from work pressure. Before a long enrollment, she writes two separate questions: Will I enjoy drawing itself? Can I get home early enough to rest? Separating them prevents enjoyment from proving all conditions suitable, or travel fatigue from proving she dislikes drawing.

Describing an ordinary evening, Layla discovers the workshop begins soon after work. She asks a former participant about classes without impressive finished pieces: How much time goes to exercises? Can beginners request help? What happens after missing a session? Hearing the answers, she notices that the participant lives nearby, an important difference. She does not borrow satisfaction wholesale, but learns details making it intelligible.

After an introductory class, Layla enjoys drawing and feels some embarrassment at being slower than others. The journey brings unexpected traffic. One broad question might yield “failure” or “wonderful” depending on the latest memory. Her written questions allow a fairer account: enjoyment exists, while the schedule is unsuitable. Next comes seeking another time, not declaring herself unsuited to art.

Had she disliked the first class, that would establish no eternal truth about herself. The activity may not suit her, or teaching style and unfamiliar tools may have mattered. If affordable and desired, another session can address a specific question about what changes. She can also stop. No research rule here mandates a number of attempts; the aim is adjustment connected to information, keeping a limited trial genuinely limited.

If a choice involves commitment to someone else, reassessing feelings does not automatically authorize withdrawal. Someone promising help cannot make diminished enjoyment sufficient grounds for breaking their promise; responsibility, capacity, and others' rights remain. Reflection may help organize time, seek support, or clarify what can be offered. Learning something about feeling does not abolish other ethical considerations.

End with two lines: What is clearer, and what remains unknown? For Layla, timing becomes visible while her experience months later remains uncertain. This open ending is no failure of thought; it honestly describes available knowledge. We choose with what we can know, preserving review where the decision permits it.

Conclusion: A Future Wider Than Its Picture

What we expect to delight us may indeed do so, but joy's intensity, duration, and place in life need more precise questions. We approach self-understanding by separating feelings about an event from general feelings, restoring ordinary details to tomorrow's image, and hearing others while respecting differences. Awareness of research's limits leaves room for effort without claims to possess the outcome.

Maryam may still love her window after ceasing to expect it to repair every morning. Samer may fear rejection without painting every future day one color. Wisdom need not know all sources of happiness in advance. It can learn to ask, revise, and leave life a chance to surprise us.

Questions to leave with:

  • Which wish have I burdened with changing my entire life?
  • How do my feelings about an event differ from my feelings the next day?
  • Whom can I consult about everyday details missing from my picture?
  • What small experiment can teach me without a large commitment?
Concept Glossary
  • Affective Forecasting: Predicting how we will feel about future events.
  • Impact Bias: Overestimating the intensity or duration of a future emotional response in some contexts.
  • Focalism: Giving a focal event substantial weight while underestimating other life events' effects.
  • Question Equivalence: An operational expression here for comparing forecasts and experiences addressing the same feeling within a consistent time frame.
  • Learning From Others' Experience: Using the response of someone with prior similar experience while considering different circumstances.
  • Limits of Knowing Tomorrow: A Quranic meaning reminding us that effort and estimation do not grant comprehensive knowledge of what we will gain in the future.
References and sources · 7
  1. Wilson and Gilbert (2005), Affective Forecasting: Knowing What to Want, Current Directions in Psychological Science 14(3):131–134; publisher abstract
  2. Levine, Lench, Kaplan, and Safer (2012), Accuracy and Artifact: Reexamining the Intensity Bias in Affective Forecasting, JPSP 103(4):584–605
  3. Gilbert, Killingsworth, Eyre, and Wilson (2009), The Surprising Power of Neighborly Advice, Science 323:1617–1619
  4. Wilson and Gilbert (2013), The Impact Bias Is Alive and Well, critical reply, JPSP 105(5):740–748
  5. The Quran, Luqman 31:34
  6. The Quran, Al-Kahf 18:23–24
  7. Sahih Muslim, Book of Divine Decree, narrated by Abu Hurayrah, hadith 2664
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