Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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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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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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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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