Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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According to the New York Times, a study conducted during the 1980's found that men who kiss their wives before leaving for work live longer, get into fewer car accidents, and have a higher income than married men who don't.
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Men fall in love faster than women do.
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In Korea, there's a man named Lee Jin-gyu who fell in love and married his life-sized Japanese body pillow (called a "dakimakura").
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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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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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