President Donald Trump is a textbook narcissist and his late father, the real estate developer Fred Trump Sr., was a sociopath, writes the president’s niece, Mary Trump, a clinical psychologist and the author of the forthcoming “Too Much and Never Enough: How My Family Created the World’s Most Dangerous Man.”
Signs and symptoms of narcissistic personality disorder:
Grandiose sense of self-importance. ... Lives in a fantasy world that supports their delusions of grandeur. ... Needs constant praise and admiration. ... Sense of entitlement. ... Exploits others without guilt or shame. ... Frequently demeans, intimidates, bullies, or belittles others.