Hair that looks like it's been naturally sun-bleached makes you seem youthful, like you spend a lot of time outdoors. And that appeals to most people.
Women apparently are quite drawn to men who have differences rather than similarities in their histocompatibility system. They pick it up by smell, and they can pick it up from kissing.
Office romances are few, short, and not usually destructive.
A woman of 40 or 50 or 60 can take estrogen replacements, get facelifts, spend her money in bars.
People have been looking for love potions since hunter-gatherer societies.
Until recently, we regarded love as supernatural. We were willing to study the brain chemistry of fear and depression and anger but not love.
Throughout evolution, ostracism was death indeed.
When you fight, anger drives up testosterone in both men and women.
We evolved in a tropical climate where the smells of plants and flowers were all around us. We spent a lot of time in the trees with a lot of sunlight and no clothes.
We are lied to by our love songs.
When you're in the throes of this romantic love, it's overwhelming - you're out of control, you're irrational, you're going to the gym at 6 A.M. every day - Why? Because she's there.
Women's worst invention was the plow. With the beginning of plow agriculture, men's roles became extremely powerful. Women lost their ancient jobs as collectors.
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.
My hypothesis is that conservative Republicans have very clear values, and when you have that, you're simply more relaxed.
Today, American women bear an average of 2.2 children that live to adulthood. Across most of Europe, women bear even fewer young.
We still have community, but we don't seem to have local community. Even in a small town where you know your neighbors and your mother's down the street, they're not in arm's length.
I was married and divorced at 23.
We all have restlessness in long-term relationships.
Of all the foods we share, there is nothing more primordial than meat. It's no surprise that meat-eaters still want a partner who will give, receive and share this primordial symbol of a budding partnership.
We're not very dangerous animals; we don't have a horn like a rhino or quills like a porcupine.
When people tell you to walk a certain way, it's like not thinking of a purple tomato. You can't not do it.
Globalization requires taking a broad contextual and long-term view.
In America, we are demanding everything from our marriage.
Men couldn't care less if your strands are perfectly styled and neat. In fact, he might like you more with some wildness or bedhead, since it shows you're carefree and relaxed.
Men don't need linguistic talent; they just need courage and words.