I'm reading a fascinating book that my wife discovered, Daniel Gilbert's Stumbling on Happiness. At some point I'll probably review it for Mises.org so no need for a big to-do right now. However, in the beginning he discusses why it's very odd that we try to imagine and provide for the desires of these other people, who are often very ungrateful. Those people are our future selves. This wasn't Gilbert's point, but it reminded me of one of my (countless) deep insights from my grad school years: If you are altruistic then it will redound to your happiness. There is much psychological truth behind the Golden Rule, but it's not (simply) that God will reward you in heaven or that people might reciprocate. Rather, if you orient yourself to catering to others' needs, then you will do the same for your future self. And hence you will be happier than if you selfishly look out for Numero Uno, and then wonder why you haven't lived up to your potential (an...