In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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You burn 26 calories in a one minute kiss.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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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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When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
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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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