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
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
When dragonflies mate, their tails form a love heart.
22
In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
27
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
In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
456
The typical person spends about 600 hours having sex between the ages of 20 and 70.
234