Marriage is not one point of view: it's a constant back and forth over different perspectives - a healthy marriage, anyway.

One [paradox] is that pornography follows in that wake of women's liberation. The first instances of hard-core pornography were in late 18th-century in France, "the Golden Age of Women." The next wave in the 20th century comes from Sweden, one of the first countries where women voted. Then Germany, again, at the forefront of progress. Then America in the '80s, when women were closing the pay gap. And Japan, same thing.

You cannot have an advanced economy while holding women back from the workplace.

Culture is always the echo of economic realities; that's what Marx teaches. Feminism is a clear example of that.

When you ask single men in their 20s, "Do you want children?" they want children more than women do. Again, economics drive this. If you're a 29-year-old woman, having a baby is going to seriously blow up your career. If you're a 29-year-old man, it isn't.

In economies in which women work, men and women in relationships make about the same amount of money, or women make more. Women are 40 percent of breadwinners in America, and that number's been rising.

Whenever I read a book about a marriage, I always feel I'm being lied to.