Helen Fisher

For so many generations, a woman's only career path was to marry well and to marry up. Those days have changed.

Office romances are few, short, and not usually destructive.

Since when is anyone truly honest with anyone?

Women are better at reading body language everywhere in the world. As a matter of fact, it's associated with the female hormone estrogen. Women are better at figuring out of tone of voice, reading your face and posture and gesture.

Throughout evolution, ostracism was death indeed.

When somebody leaves Match.com or Chemistry.com, they ask you why you left. One box you can check is, 'I found somebody.' Between 15 and 20 percent of people check that box.