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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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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Twenty nine percent of women spend more time shopping for shoes than they do looking for a life long mate.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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In Korea, if you do not receive any gift on Valentine's day then all the singles go to Korean restaurants and eat black noodles to celebrate (or mourn) their single status.
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