Women become breadwinners, men become caregivers. That's the birth of intimate marriage.

Almost all the voices in history have been men, but on this one question of gender, men don't talk about it. This has nothing to do with women; it has to do with men.

Look at The Iliad, there's all this stuff about men loving children. The King of Sparta was the most brutal warrior of ancient Greece, and the only thing he liked to do was horse around with kids when he was back from slaughtering. One thing that feminism revealed is that being a distant patriarchal figure was not something men wanted to be. They want to be more involved in the lives of their children, and you can see that once they're allowed to have that connection, they crave it.

The research points pretty clearly to the rise of companionate marriage, and I just think it's going to keep being popular, for the very simple reason that it's basically the only way to afford a family life in the 21st-century in advanced economies. It's one of the major reasons for the spike in income inequality. Surgeons used to marry their secretaries. Now they marry other surgeons.

The easier sex gets, the less intimate every sexual act gets. In the Victorian period, a kiss was like a f - k. And now, you know, when actual sexual acts become so easy, their intimacy declines and their meaning declines.

Women become breadwinners, men become caregivers. That's the birth of intimate marriage.

When you look at how men and women are living together, there are two processes at work. One, women are rising in the middle class; their earning potential is rising compared to men. It has been underway for 100 years, and nothing is going to stop it. On the other hand, women are denied iconic positions of power - equity partnerships law firms, Hollywood salaries.