As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
687
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
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
Yawns are more contagious among people with closer relationships.
163
40% of people who are rejected in romantic love slip into clinical depression.
72