You burn 26 calories in a one minute kiss.
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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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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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