Studies show that the risk of a “secret love” being revealed heightens romantic feelings for the partners, thanks to increased levels of phenylethylamine (PEA).
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Men who kiss their wives in the morning live five years longer than those 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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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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The average person will go on a date at least 100 times before they finally marry.
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People are more likely to tilt their heads to the right when kissing instead of the left (65 percent of people go to the right!)
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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