Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
69
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Men who kiss their wives in the morning live five years longer than those who don't.
1k