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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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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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When dragonflies mate, their tails form a love heart.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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