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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As a rule, 66 percent of people keep their eyes closed while kissing. The rest take pleasure in watching the emotions run the gamut on the faces of their partners.
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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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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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Kissing an infection-free partner is good for your teeth!
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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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The typical person spends about 600 hours having sex between the ages of 20 and 70.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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