Men fall in love faster than women do.
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Erotomania is a type of delusion in which the person believes another person is in love with him/her.
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When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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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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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
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40% of people who are rejected in romantic love slip into clinical depression.
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