We all have restlessness in long-term relationships.

Women, it turns out, are built to lead - particularly in the modern world.

Anthropologists have found evidence of romantic love in 170 societies. They've never found a society that did not have it.

I think that property is very important in this day and age. It defines you; you worked hard to get it. It's meaningful to you, and when you divorce, a lot of people have a lot of battles over their property for good reasons.

If two very different people pool their DNA, they'll create more genetic variety, and their young will come to the job of parenting with a wider array of skills.

I think romantic love evolved to enable you to focus your mating energy on just one individual at a time, thereby conserving mating time and energy.

Any time you choose not to hide your tattoo, you're limiting your social sphere, because they're not popular in big business.