It certainly would have been adaptive for ancestral man to have a chubby wife during stressful times of famine. Not only would she have had more calories to burn, and thus more energy and endurance, but since fat stores estrogen, she would have remained fertile for longer.

A lot of people have been romantically in love with somebody who they feel wasn't appropriate to marry.

Women are very attracted to a low voice because it's linked to testosterone, which for millions of years was a sign that men had very good spacial skills and would have been very good at hunting and finding their way back home.

Romantic love is not an emotion. ... It's a drive. It comes from the motor of the mind, the wanting part of the mind, the craving part of the mind.

Keep an open heart. We are wired to find love.

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

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.