Intelligent men tend to be more sexually faithful.
31
Yawns are more contagious among people with closer relationships.
163
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
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
Historically, sweat has been an active ingredient in perfume and love potions.
309
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16