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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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 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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Thrity-five percent of the people who use personal ads for dating are already married.
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Two in five people in the world marry their first love.
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In Japan, it is tradition for husbands to get a monthly allowance from their wives.
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