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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40% of people who are rejected in romantic love slip into clinical depression.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Close to 110 million roses (mostly red) will be purchased and delivered around Valentine's Day in the U.S.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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