40% of people who are rejected in romantic love slip into clinical depression.
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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.
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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The single biggest predictor of love is proximity.
30
The average person will go on a date at least 100 times before they finally marry.
33
Sea otters hold hands while sleeping so they don’t drift away from each other.
104
Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104