“Still, when it comes to careers, instead of searching for the job where we’ll be happiest, we might be better off pursuing the job where we expect to learn and contribute the most. Psychologists find that passions are often developed, not discovered. In a study of entrepreneurs, the more effort they put into their startups, the more their enthusiasm about their businesses climbed each week. Their passion grew as they gained momentum and mastery. Interest doesn’t always lead to effort and skill; sometimes it follows them. By investing in learning and problem solving, we can develop our passions—and build the skills necessary to do the work and lead the lives we find worthwhile.”