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.

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

We all have restlessness in long-term relationships.

Women spend their lives trying to look good for men. So a woman who feels she's sending the right visual signals is pleased with herself.

The only people you and I are likely to know in common are people in the news - politicians, journalists and celebrities.

[Women] tend to collect more pieces of data when they think, put them into more complex patterns, see more options and outcomes. They tend to be contextual, holistic thinkers.

Games are the way we keep romance alive. They're based in human hardwiring. Playing hard-to-get or leaving a little to the imagination allows the woman to be wooed and appreciated and the man to be challenged and intrigued.