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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Wearing red increases attraction.
30
You burn 26 calories in a one minute kiss.
605
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
Speed dating was invented by a Rabbi in 1999.
45
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14