Young women today do not marry the men they met in high school, or even the one they go out with at college, because they do not need to.

There were real reasons that you were attracted to somebody originally. The brain doesn't pick willy-nilly. Unless you part ways hating each other for some reason, that mechanism could get triggered again. You can literally fall in love again.

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.

In courtship, who wins and who loses will determine who passes on their DNA to tomorrow.

Young women today do not marry the men they met in high school, or even the one they go out with at college, because they do not need to.

You can really get poked in the back and not feel it very much, but just a feather around your lips and you really do feel it.

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