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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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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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Wearing red increases attraction.
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You burn 26 calories in a one minute kiss.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Couples' personalities converge over time to make partners more and more similar.
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