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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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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Speed dating was invented by a Rabbi in 1999.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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Historically, sweat has been an active ingredient in perfume and love potions.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34