Men who kiss their wives in the morning live five years longer than those who don't.
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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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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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