Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
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
Holding hands with someone you love can alleviate physical pain as well as stress and fear.
26
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
A man's beard grows fastest when he anticipates sex.
239
Wearing red increases attraction.
30
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165