'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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You burn 26 calories in a one minute kiss.
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