http://www.telegraph.co.uk/science/evolution/9295131/Why-women-prefer-weaker-men.html

At some point in time, women decide that it's time to get married since the clock is ticking, at that point often Beta males, introverts, and generally speaking nice guys who have a good job become highly sought after candidates. That's why we see nerds getting married to HB8-HB10, and hence the concept of trophy wives.

It's not that great, since these women will end up cheating on their boring husbands providers with bad boys