In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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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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Men fall in love faster than women do.
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One in five long-term love relationships began with one or both partners being involved with others.
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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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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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Historically, sweat has been an active ingredient in perfume and love potions.
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