It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
There's a love mattress that is specifically designed for couples who sleep on each other's arms.
12
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
Two in five people in the world marry their first love.
270
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
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 left ear is more responsive to words of love and emotion whispered into it than the right.
40