When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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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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The average person will go on a date at least 100 times before they finally marry.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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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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