When dragonflies mate, their tails form a love heart.
22
When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
44
A man's beard grows fastest when he anticipates sex.
239
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
29
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Men fall in love faster than women do.
32