A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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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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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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Raj from the Big Bang Theory is married to Miss India.
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Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
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