When dragonflies mate, their tails form a love heart.
22
Two in five people in the world marry their first love.
270
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
A man's beard grows fastest when he anticipates sex.
239
Speed dating was invented by a Rabbi in 1999.
45
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
464