Men who kiss their wives in the morning live five years longer than those who don't.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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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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Couples' personalities converge over time to make partners more and more similar.
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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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Kissing an infection-free partner is good for your teeth!
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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