There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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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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8 out of 10 people think that the first kiss indicates how the rest of the relationship will be.
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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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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