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.
Helen FisherWhen you look at the brain regions associated with picking up data from the body, a huge amount of the brain is devoted to picking up information from the lips and tongue.
Helen FisherWhen 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 primitive, and therefore bizarre.
Helen FisherAnthropologists have found evidence of romantic love in 170 societies. They've never found a society that did not have it.
Helen Fisher