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
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
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
103
Historically, sweat has been an active ingredient in perfume and love potions.
309
Parents receive 1 out of every 5 Valentines.
20
Couples' personalities converge over time to make partners more and more similar.
235
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234
In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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