Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Some British police cars carry a teddy bear to console children after an accident.
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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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Cuddling (or other ‘love’ acts) helps to heal physical wounds faster due to the release of Oxytocin which is proven to reduce swelling.
22
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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