The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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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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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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The single biggest predictor of love is proximity.
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One in five long-term love relationships began with one or both partners being involved with others.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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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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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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