Narcissism is a factor in trait theory used in various self-report inventories of personality such as the Millon Clinical Multiaxial Inventory. It is one of the three dark triadic personality traits (the others being psychopathy and Machiavellianism). Except in the sense of primary narcissism or healthy self-love, narcissism is usually considered a problem in a person's or group's relationships with self and others. Narcissism is not the same as egocentrism. The term "narcissism" comes from the Greek myth about Narcissus (, ""), a handsome Greek youth who, according to Ovid, rejected the desperate advances of the nymph Echo. This caused Narcissus
Narcissus (mythology) word." The word narcissus has come to be used for the daffodil, but there is no clarity on whether the flower is named for the myth, or the myth for the flower, or if there is any true connection at all. Pliny the Elder wrote that the plant was named for its fragrance ("ναρκάω" narkao, "I grow numb") not the youth. Narcissus was the son of the river god Cephissus and nymph Liriope. Several versions of the myth have survived from ancient sources. The classic version is by Ovid, found in book 3 of his "Metamorphoses" (completed 8 AD); this