One in five long-term love relationships began with one or both partners being involved with others.
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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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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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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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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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In medieval Italy, if a man was caught kissing a woman in public, he had to marry her whether he liked it or not.
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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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