Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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A Korean man called Lee Jin-gyu fell in love with his large, huggable pillow and married it.
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40% of people who are rejected in romantic love slip into clinical depression.
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A poll has found that computer 'nerds' make the best lovers, with 82 percent of IT geeks claiming they put their partner's pleasure above their own.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Men who kiss their wives in the morning live five years longer than those who don't.
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