Mothers really were not built to raise babies not only by themselves, but with only a partner. For millions of years, a woman had much more than just her husband to help rear her young... This whole idea of 'it takes a village to raise a child' is exactly how we're supposed to live.

Romantic love is one of the most addictive substances on Earth.

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

We're not very dangerous animals; we don't have a horn like a rhino or quills like a porcupine.

I think romantic love evolved to enable you to focus your mating energy on just one individual at a time, thereby conserving mating time and energy.

As women in industrial societies join the paid workforce, they gain the economic means to depart unhappy marriages more easily.

There is more and more data indicating that there is a biological basis to your political views.