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 (plant) in the "Georgics". Virgil refers to the cup shaped corona of the narcissus flower, allegedly containing the tears of the self-loving youth Narcissus. Milton makes a similar analogy ""And Daffodillies fill their Cups with Tears"". Virgil also mentions narcissi three times in the "Eclogues". The poet Ovid also dealt with the mythology of the narcissus. In his "Metamorphoses", he recounts the story of the youth Narcissus who, after his death, is turned into the flower, and it is also mentioned in Book 5 of his poem "Fasti". This theme of metamorphosis was broader than just "Narcissus"; for instance see crocus,