Men who kiss their wives in the morning live five years longer than those who don't.
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In 2010, Gary Richmond was beaten into a coma. He woke up with amnesia and no memory of his wife of 20 years. Subsequently, he ended up falling in love with her all over again!
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Brain scans show that people who view photos of a beloved experience an activation of the caudate - the part of the brain involving cravings.
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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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The left ear is more responsive to words of love and emotion whispered into it than the right.
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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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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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The single biggest predictor of love is proximity.
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