Partnerships : The wrong partner can ruin your life. Partnerships can be helpful in the lives of many people. For example, let's say I'm good at finding fruit and bad at making fires, but you happen to be good at making fires and bad at finding fruit. And because I want to sleep near a…

One of evolutionary psychology's most powerful discoveries is the observation that men and women differ in the qualities they prefer in potential mates. In study after study, in country after country, psychologists have consistently found that men prioritize looks over wealth, while women prioritize wealth overlooks. But what explains this gender difference in mate preferences?…