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
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Parents receive 1 out of every 5 Valentines.
20
A man's beard grows fastest when he anticipates sex.
239
