Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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The average person will go on a date at least 100 times before they finally marry.
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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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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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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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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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