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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If you mouth the word "colorful" to someone, it looks like you are saying "I love you".
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Men fall in love faster than women do.
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When you fall in love, that 'high' feeling is caused by a flood of dopamine that is similar to that of cocaine.
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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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Men who kiss their wives in the morning live five years longer than those who don't.
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