In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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The single biggest predictor of love is proximity.
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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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Couples' personalities converge over time to make partners more and more similar.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Historically, sweat has been an active ingredient in perfume and love potions.
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