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
A man's beard grows fastest when he anticipates sex.
239
Speed dating was invented by a Rabbi in 1999.
45
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Couples' personalities converge over time to make partners more and more similar.
235
Parents receive 1 out of every 5 Valentines.
20