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.
26
When cats are happy, they may squeeze their eyes shut.
10
Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
26
The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
65