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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'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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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