'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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Speed dating was invented by a Rabbi in 1999.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
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