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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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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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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The average person will go on a date at least 100 times before they finally marry.
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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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Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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For Valentine's Day 2014, an unnamed man sabotaged a special screening of "Beijing Love Story" at a Shanghai cinema by booking every other seat, subsequently preventing couples from sitting together.
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Two in five people in the world marry their first love.
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