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TIL Erotomania is a delusional disorder wherein a person experiences delusions of another person being infatuated with them. It's most often seen in female patients that are shy, dependent and sexually inexperienced. The object of the delusion is typically a male who is 'unattainable'.

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9wpLD TIL the adult form of the inchworm is called a geometer moth.
yx0v TIL that an engineer at NASA spent fifteen years trying to become an astronaut, being rejected fourteen times before finally being selected in 1998.
GA7k7 TIL An estimated 50.000 Irish were made into indentured servants by Cromwell after he took Ireland in 1653.
5Yr0P TIL of the amazing life of Josiah Henson, who walked 900 miles, with his wife and children, to escape slavery. He founded a colony in Canada and helped 118 others to freedom, and was the inspiration for the book "Uncle Tom's Cabin"
KYlWJ TIL that Gall wasps lay their eggs inside growing acorns which cause abnormal bumpy growths on the outside of the acorn while also protecting the Gall wasp larvae inside throughout the winter