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

Overdone lipstick is a deterrent to men. It rubs off easily onto their skin and the edges of their shirts, so it discourages them from kissing, touching, and coming closer to you, which is what they really want to do!

It's in our genes, we were built to wander.

As social animals, we need to exchange juicy tales about someone - to connect with one another. For millions of years our forebears must have sat around the campfire, whispering about everyone they knew.

Like most animals, we're wired to associate height with power.

Kissing is not just kissing. It is a major escalation or de-escalation point in a powerful process of mate choice.

Neither gender is routinely more jealous - although women are more willing to work to win back a lover, while men tend to flaunt their money and status and are more likely to walk out to protect their self-esteem or save face.