One in five long-term love relationships began with one or both partners being involved with others.
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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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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Kissing an infection-free partner is good for your teeth!
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In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
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