Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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When cats are happy, they may squeeze their eyes shut.
10
A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
10
Raj from the Big Bang Theory is married to Miss India.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
13
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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