Falling in love can be exhilarating, but it isn’t the secret to happiness per se. You might more accurately say that falling in love is the start-up cost for happiness—an exhilarating but stressful stage we have to endure to get to the relationships that actually fulfill us.
The most important predictors of late-life happiness are stable relationships—and, especially, a long romantic partnership. The healthiest participants at age 80 tend to have been most satisfied in their relationships at age 50.
In other words, the secret to happiness isn’t falling in love; it’s staying in love. Dr's Angela Izmirian and Brian Goff discuss the psychological components of love, attraction, and desire.