Men have a psychological need to show off their courage and strength. When he sees you talking to another guy, that instinct kicks in and he jumps to protect you and prove he's worthy of your love. — Helen Fisher Copy Share Image
We're not very dangerous animals; we don't have a horn like a rhino or quills like a porcupine. — Helen Fisher Copy Share Image
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… — Helen Fisher Copy Share Image
When chimps threaten, they open their mouth and show their teeth. It's a little like waving a knife in front of you. It's very… — Helen Fisher Copy Share Image
For so many generations, a woman's only career path was to marry well and to marry up. Those days have changed. — Helen Fisher Copy Share Image
Almost always, when I'm on TV, the producers who call me, who negotiate what we're going to say, is a woman. — Helen Fisher Copy Share Image
Jealousy can even be good for love. One partner may feel secretly flattered when the other is mildly jealous. And catching someone flirting with… — Helen Fisher Copy Share Image
In that early-love stage, you're in that state of exhilaration. You talk till dawn. You become obsessed with 'What does he think?' 'Does he… — Helen Fisher Copy Share Image
“...if patterns of human love subtly change, all sorts of social and political atrocities can escalate.” — Helen Fisher Copy Share Image
People have been looking for love potions since hunter-gatherer societies. — Helen Fisher Copy Share Image
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. — Helen Fisher Copy Share Image
As women in industrial societies join the paid workforce, they gain the economic means to depart unhappy marriages more easily. — Helen Fisher Copy Share Image
