In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
You burn 26 calories in a one minute kiss.
605
According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
14
A man's beard grows fastest when he anticipates sex.
239
Historically, sweat has been an active ingredient in perfume and love potions.
309
Speed dating was invented by a Rabbi in 1999.
45