Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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A man's beard grows fastest when he anticipates sex.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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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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