When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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Parents receive 1 out of every 5 Valentines.
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Men who kiss their wives in the morning live five years longer than those who don't.
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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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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Speed dating was invented by a Rabbi in 1999.
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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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'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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