You burn 26 calories in a one minute kiss.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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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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