In the Darwinian world of high-school dating, freshman girls and senior boys have the highest chances of successfully partnering up. And they have found that for the most part, they're accurate.
Now, however, social scientists have examined them exhaustively and empirically.
—interested in sex, whereas girls, no matter how boy-crazy, tend to focus on relationships.
Young men frequently fib about their sexual experience, whereas young women tend to be more truthful.
Celebrities, as anyone who has ever passed a magazine stand at the checkout knows, are always on the verge of divorcing.
For 30-year-olds, that might mean predicating a relationship on willingness to marry or have kids.