Daniel Gilbert’s book Stumbling on Happiness, he argues that the most effective way to judge whether a particular course of action will make you happy in the future is to ask people who are following that course of action right now if they’re happy and assume that you’ll feel the same way. According to his theory, the fact that my friend raved about this fitness routine was a pretty good indicator that I’d be enthusiastic, too. Also, I reminded myself, one of my Secrets of Adulthood was “Most decisions don’t require extensive research.”
