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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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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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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In 1999, a fisherman found a love letter in a bottle from a soldier in WWI. He returned said letter to the now deceased widows 86 year old daughter.
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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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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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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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