When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
A man's beard grows fastest when he anticipates sex.
239
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14