Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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There's a young hippo and a 130+ year old tortoise in a Kenyan wildlife preserve who are best friends and they even sleep and play together.
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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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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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