Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
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Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
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Men fall in love faster than women do.
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Historically, sweat has been an active ingredient in perfume and love potions.
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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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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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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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