Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
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The average person will go on a date at least 100 times before they finally marry.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
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Gary Kremen, founder of match.com, lost his girlfriend to a man she met on match.com.
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