Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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When cats are happy, they may squeeze their eyes shut.
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Baby rabbits are called kittens.
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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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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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Raj from the Big Bang Theory is married to Miss India.
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