Large-Scale Study Finds Narcissism Has an Expiration Date; Psychologists Explain Why

Narcissism can have positive effects, but they are often short-lived, experts say.
Large-Scale Study Finds Narcissism Has an Expiration Date; Psychologists Explain Why
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Ever wonder how that self-absorbed teenager next door, who couldn’t handle criticism, transformed into a considerate adult?

A new study offers an explanation: Narcissism has an expiration date.