Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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The Savannah is the largest domestic cat breed. It resembles a small leopard and behaves like a dog. They can grow up to 40 lbs, have an eight foot vertical jump, and can be trained to walk on a leash and play fetch.
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Raj from the Big Bang Theory is married to Miss India.
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When cats are happy, they may squeeze their eyes shut.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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