https://www.psychologytoday.com/blog/shame/201509/5-types-extreme-narcissists-and-how-deal-them

His assertions of superiority might make you want to stand up for yourself and compete. Don't. Any challenge will only cause him to escalate his efforts to appear superior.

We must quit trying to explain Trump inside a political box. He is beyond the box. We wanted someone outside the box but I think most people meant by that . . . someone that would govern beyond the lure of the things we see corrupting DC. Trump is outside the box but he is motivated not by the world outside the DC box but by the pathology of his own ego.