What is narcissism? Signs, causes, and treatment options by Kate Hanselman, PMHNP-BC | May 16, 2023 | Mental Health Topics, Narcissism The word “narcissism” comes from a Greek myth where an attractive man named Narcissus looked at his reflection in a pool of water—and fell in love with it. You may know somebody like Narcissus. They might think about the world of themself and all of the great things they accomplish…