Women rate men more attractive if other women are looking and smiling at him.
17
Historically, sweat has been an active ingredient in perfume and love potions.
309
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
278
Men fall in love faster than women do.
32
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26