Sea otters hold hands while sleeping so they don’t drift away from each other.
104
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
In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
44
Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
88
In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
The single biggest predictor of love is proximity.
30