Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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You burn 26 calories in a one minute kiss.
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When dragonflies mate, their tails form a love heart.
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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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Men who kiss their wives in the morning live five years longer than those who don't.
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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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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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