Speed dating was invented by a Rabbi in 1999.
45
In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
27
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
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
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
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
The left ear is more responsive to words of love and emotion whispered into it than the right.
40