> Every time you like something, do you stop to wonder about the evolutionary or genetic reasons behind your feeling good. Yes. Deeper understanding of myself

> Every time you like something, do you stop to wonder about the evolutionary or genetic reasons behind your feeling good. Yes. Deeper understanding of myself and others pays off in a lot of ways -- it helps me find other things I might like (and avoid things I probably won't), helps me predict the future, and helps me connect more deeply with others.