A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Raj from the Big Bang Theory is married to Miss India.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Historically, sweat has been an active ingredient in perfume and love potions.
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