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

Despite the myth that men are less committed, they are predisposed to desire marriage.

The Great Depression of the 1930s saw more American unmarried women working from nine to five, mostly in repetitive, boring, subordinate, dead-end jobs. But the number of working women doubled between 1870 and 1940. During World War II it doubled once again.

In courtship, who wins and who loses will determine who passes on their DNA to tomorrow.

There's a lot of talk about the positive aspects of love. We as a society downplay the danger, the anxiety, and the disappointment. We romanticize romance.

What our grandmothers told us about playing hard to get is true. The whole point of the game is to impress and capture. It's not about honesty. Many men and women, when they're playing the courtship game, deceive so they can win. Novelty, excitement and danger drive up dopamine in the brain. And both sexes brag.

Today, American women bear an average of 2.2 children that live to adulthood. Across most of Europe, women bear even fewer young.