The secret of happiness is a concern of growing importance in the modern era, as increased financial security has given many the time to focus on self-growth. No longer hunter-gatherers concerned with where to find the next kill, we worry instead about how to live our best lives. Happiness books have become a cottage industry; personal-development trainings are a bigger business than ever.
The pursuit of happiness is not uniquely American either—in a study of more than 10,000 participants from 48 countries, psychologists Ed Diener of the University of Illinois at Urbana-Champaign and Shigehiro Oishi of the University of Virginia discovered that people from every corner of the globe rated happiness as being more important than other highly desirable personal outcomes, such as having meaning in life, becoming rich, and getting into heaven.
The fever for happiness is spurred on, in part, by a growing body of research suggesting that happiness does not just feel good but is good for you—it's been linked to all sorts of benefits, from higher earnings and better immune-system functioning to boosts in creativity.
Most people accept that true happiness is more than a jumble of intensely positive feelings—it's probably better described as a sense of "peace" or "contentedness." Regardless of how it's defined, happiness is partly emotional—and therefore tethered to the truth that each individual's feelings have a natural set point, like a thermostat, which genetic baggage and personality play a role in establishing. Yes, positive events give you a boost, but before long you swing back toward your natural set point.
True happiness lasts longer than a burst of dopamine, however, so it's important to think of it as something more than just emotion. Your sense of happiness also includes cognitive reflections, such as when you give a mental thumbs-up or thumbs-down to your best friend's sense of humor, the shape of your nose, or the quality of your marriage. Only a bit of this sense has to do with how you feel; the rest is the product of mental arithmetic, when you compute your expectations, your ideals, your acceptance of what you can't change—and countless other factors. That is, happiness is a state of mind, and as such, can be intentional and strategic.
Regardless of your emotional set point, your everyday habits and choices—from the way you operate in a friendship to how you reflect on your life decisions—can push the needle on your well-being. Recent scholarship documenting the unique habits of those who are happiest in life even provides something of an instruction manual for emulating them. It turns out that activities that lead us to feel uncertainty, discomfort, and even a dash of guilt are associated with some of the most memorable and enjoyable experiences of people's lives. Happy people, it seems, engage in a wide range of counterintuitive habits that seem, well, downright unhappy.
It's a Friday night and you're planning on meeting friends for dinner. If you want to ensure that you'll go home full, you grab pizza or burgers. If you instead pick a cuisine you've never tried before (Ethiopian—sure, why not?) you run the risk that you won't like your injera and wat that much—but you might also uncover a surprising delight.
Truly happy people seem to have an intuitive grasp of the fact that sustained happiness is not just about doing things that you like. It also requires growth and adventuring beyond the boundaries of your comfort zone. Happy people, are, simply put, curious. In a 2007 study, Todd Kashdan and Colorado State psychologist Michael Steger found that when participants monitored their own daily activities, as well as how they felt, over the course of 21 days, those who frequently felt curious on a given day also experienced the most satisfaction with their life—and engaged in the highest number of happiness-inducing activities, such as expressing gratitude to a colleague or volunteering to help others.
Curiosity, it seems, is largely about exploration—often at the price of momentary happiness. Curious people generally accept the notion that while being uncomfortable and vulnerable is not an easy path, it is the most direct route to becoming stronger and wiser. In fact, a closer look at the study by Kashdan and Steger suggests that curious people invest in activities that cause them discomfort as a springboard to higher psychological peaks.
Of course, there are plenty of instances in life where the best way to increase your satisfaction is to simply do what you know feels good, whether it's putting your favorite song on the jukebox or making plans to see your best friend. But from time to time, it's worth seeking out an experience that is novel, complicated, uncertain, or even upsetting—whether that means finally taking the leap and doing karaoke for the first time or hosting a screening of your college friend's art-house film. The happiest people opt for both so that they can benefit, at various times, from each.