These 14 Trump tweets perfectly line up with 14 key traits psychologists look for in pathological narcissists -- Raw Story

Professional psychologists have often questioned whether President Donald Trump suffers from Narcissistic Personality Disorder (NPD), a psychological condition that Psychology Today writes is defined by "a lack of ability to empathize with others and an inflated sense of self-importance."....
https://www.rawstory.com/2018/02/14-trump-tweets-perfectly-line-14-key-traits-psychologists-look-pathological-narcissists/