Image via WikipediaWaverly: "I think what he is trying to say is that monogamy isn't natural. The male species is hard-wired for genetic diversity. So, the instinct is to, ya know, fertilize as many eggs as possible - to have sex."
Waverly: "Yeah, but human beings are different. I mean, civilization is based on the repression of instincts. When we act contrary to out instincts, that's when things get interesting. A lot of people would say that monogamy is a state of higher evolution - with the right person."
- Friday Night Lights Season 1: Episode 10 "It's Different for Girls"