Speed dating was invented by a Rabbi in 1999.
45
When dragonflies mate, their tails form a love heart.
22
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
Historically, sweat has been an active ingredient in perfume and love potions.
309
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
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
40% of people who are rejected in romantic love slip into clinical depression.
72
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44