Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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One in five long-term love relationships began with one or both partners being involved with others.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Two in five people in the world marry their first love.
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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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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The single biggest predictor of love is proximity.
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