Men who kiss their wives in the morning live five years longer than those who don't.
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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.
44
Men fall in love faster than women do.
32
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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Two in five people in the world marry their first love.
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Kissing an infection-free partner is good for your teeth!
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Historically, sweat has been an active ingredient in perfume and love potions.
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