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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When dragonflies mate, their tails form a love heart.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Two in five people in the world marry their first love.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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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 single biggest predictor of love is proximity.
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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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