This begins to suggest a theory for why it is we care so much about meaning. Perhaps the idea is to make happiness last. Happiness seems present-focused and fleeting, whereas meaning extends into the future and the past and looks fairly stable. For this reason, people might think that pursuing a meaningful life helps them to stay happy in the long run. They might even be right — though, in empirical fact, happiness is often fairly consistent over time. Those of us who are happy today are also likely to be happy months or even years from now, and those who are unhappy about something today commonly turn out to be unhappy about other things in the distant future. It feels as though happiness comes from outside, but the weight of evidence suggests that a big part of it comes from inside. Despite these realities, people experience happiness as something that is felt here and now, and that cannot be counted on to last. By contrast, meaning is seen as lasting, and so people might think they can establish a basis for a more lasting kind of happiness by cultivating meaning.
Social life was the locus of our third set of differences. As you might expect, connections to other people turned out to be important both for meaning and for happiness. Being alone in the world is linked to low levels of happiness and meaningfulness, as is feeling lonely. Nevertheless, it was the particular character of one’s social connections that determined which state they helped to bring about. Simply put, meaningfulness comes from contributing to other people, whereas happiness comes from what they contribute to you. This runs counter to some conventional wisdom: it is widely assumed that helping other people makes you happy. Well, to the extent that it does, the effect depends entirely on the overlap between meaning and happiness. Helping others had a big positive contribution to meaningfulness independent of happiness, but there was no sign that it boosted happiness independently of meaning. If anything, the effect was in the opposite direction: once we correct for the boost it gives to meaning, helping others can actually detract from one’s own happiness