Keep an open heart. We are wired to find love.

Men are so visual, they see a woman who appeals to them physically, and it will trigger the romantic love system faster.

Saliva has testosterone and estrogen. When you kiss, you're having a chemical experience.

Mothers really were not built to raise babies not only by themselves, but with only a partner. For millions of years, a woman had much more than just her husband to help rear her young... This whole idea of 'it takes a village to raise a child' is exactly how we're supposed to live.

My hypothesis is that conservative Republicans have very clear values, and when you have that, you're simply more relaxed.

I don’t think we’re an animal that was built to be happy; we are an animal that was built to reproduce.

There are cognitive processes and limbic reactions associated with basic emotions. And you can change brain chemistry, but you're still not going to change memories and experiences in a human being.