If you ask people what they want from life, happiness is usually near the top of the list. It’s one of the few ambitions that almost nobody questions. Yet psychology suggests we’ve been asking the wrong thing of ourselves all along. Happiness is often something we experience as a consequence of living well, not something we can successfully pursue in its own right.

There are few statements that attract less scrutiny than, “I just want to be happy.” It has become our cultural equivalent of saying we want good health or clean air. But imagine someone saying, “My goal is to feel excited all the time.” Or calm. Or grateful. We’d immediately recognise the problem. Emotions aren’t permanent states. They come and go, shaped by our relationships, our circumstances, our biology and, sometimes, by nothing more than a bad night’s sleep. Somehow, though, happiness has escaped those rules. We’ve promoted it from one emotion among many to the ultimate purpose of human existence.

It’s hardly surprising. We’re surrounded by promises of it. Bookshops dedicate entire shelves to the subject. Companies claim to sell it. Employers increasingly talk about employee wellbeing, governments measure life satisfaction, and social media presents an endless stream of smiling families, beautiful homes and sunsets that seem to occur exclusively during expensive holidays. The message is rarely stated outright, but it’s difficult to miss: if you’re not happy, you’re probably doing something wrong.

The difficulty is that your brain never evolved to make you happy. It evolved to keep you alive. Those are very different jobs. A brain that constantly scans for problems, notices threats and remembers mistakes is far more useful from an evolutionary perspective than one drifting through life in a permanent state of contentment. That’s why criticism stays with us longer than compliments, why bad news captures our attention so easily and why an embarrassing conversation from years ago can still appear uninvited in the middle of the night. Psychologists call this the negativity bias. It isn’t evidence that something is wrong with us; it’s evidence that our brains are doing exactly what they evolved to do.

The irony is that the more seriously we take happiness as a goal, the more elusive it often becomes. A growing body of research suggests that placing too much value on happiness, particularly when it becomes an overriding goal, can actually be associated with lower wellbeing. One explanation lies in the expectations we create. Expectations are, in many ways, the enemy of happiness. The higher we set them, the easier it becomes for reality to disappoint us. The moment we decide that a holiday, a relationship or a promotion should make us happy, we’ve quietly raised the bar. Reality almost always struggles to compete with imagination.

This habit of constant evaluation can become exhausting. We begin asking ourselves questions that sound sensible but often make matters worse. Am I happy enough? Shouldn’t I be enjoying this more? Why doesn’t this feel the way I imagined it would? Imagine going to a concert and spending the entire evening wondering whether you’re enjoying the music sufficiently. Before long, you’re no longer listening. You’re reviewing your own experience. Many of us have started doing exactly that with life.

Perhaps that’s why the happiest moments rarely happen on purpose. They tend to arrive while our attention is somewhere else: laughing over something ridiculous with friends, becoming absorbed in a conversation, watching a child say something unintentionally hilarious or walking home on an ordinary evening that somehow feels unexpectedly peaceful. Happiness has a habit of appearing as a by-product of engagement rather than the reward for searching hard enough.

Research has uncovered the same paradox in areas that seem, at first glance, unrelated. Exercise is a good example. People who exercise because they want to become healthier, stronger or fitter generally report greater improvements in wellbeing over time. Those who exercise primarily because they hope it will make them happier often experience smaller psychological benefits, despite doing exactly the same activity. The goal shifts from becoming healthier to constantly checking whether the activity is producing the emotion they expected. Psychologists have found similar patterns with other intrinsic goals. Pursuing health, learning, relationships or personal growth tends to produce greater wellbeing than pursuing positive feelings directly. When happiness becomes the objective, we’re more likely to judge every experience by whether it has produced the desired emotion. That constant evaluation can quietly undermine the enjoyment we were hoping to find.

The same principle extends far beyond the gym. Ask almost any parent whether raising children makes them happy all the time and they’ll probably laugh. The same is true of caring for an ageing parent, studying for a difficult qualification or building a business. These experiences are often stressful, frustrating and emotionally draining. Yet they are also among the things people later describe as giving their lives the greatest sense of meaning. Psychologists have long distinguished between pleasure and meaning. Pleasure is about feeling good. Meaning is about doing something that matters, even when it is difficult. The two often overlap, but they aren’t the same thing. Meaningful activities ask more of us. They require effort, commitment and responsibility. They also seem to provide something more durable than pleasure alone.

Perhaps, then, we’ve been asking the wrong question. Instead of wondering whether we’re happy, it may be more useful to ask whether we’re living in a way that feels worthwhile. The first question turns our attention inwards, encouraging us to judge every emotional fluctuation. The second turns our attention outwards, towards the people we care about, the work we value and the life we’re trying to build.

Happiness is one of life’s great pleasures, but it’s a poor thing to organise a life around. It comes and goes, as emotions always do. Meaning, relationships, curiosity and purpose ask more of us, but they also give us something more lasting in return. The irony is difficult to escape. The more we organise our lives around becoming happy, the less likely happiness seems to become. The more we organise them around health, relationships, curiosity and meaning, the more often it appears anyway—not because we were looking for it, but because we were busy with something else.