When dragonflies mate, their tails form a love heart.
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Couples' personalities converge over time to make partners more and more similar.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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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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