Narcissistic personality disorder (NPD) is a pervasive pattern of grandiosity, a need for admiration, a lack of empathy, and a heightened sense of self-importance. Individuals with NPD may present to others as boastful, arrogant, or even unlikeable.[1] NPD is a pattern of behavior persisting over a long period and through a variety of situations or social contexts and can result in significant impairment in social and occupational functioning.[2] Additionally, NPD is often comorbid with oth...