Men who kiss their wives in the morning live five years longer than those who don't.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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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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The single biggest predictor of love is proximity.
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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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