Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34
Erotomania is a type of delusion in which the person believes another person is in love with him/her.
38
Kissing an infection-free partner is good for your teeth!
141
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4