Sea otters hold hands while sleeping so they don’t drift away from each other.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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The single biggest predictor of love is proximity.
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'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
Couples' personalities converge over time to make partners more and more similar.
235
When dragonflies mate, their tails form a love heart.
22
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
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4