Men who kiss their wives in the morning live five years longer than those who don't.
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A man's beard grows fastest when he anticipates sex.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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Two in five people in the world marry their first love.
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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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40% of people who are rejected in romantic love slip into clinical depression.
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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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