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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Wearing red increases attraction.
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Men fall in love faster than women do.
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A man's beard grows fastest when he anticipates sex.
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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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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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