His act kinda resembles a guy who would have had a burnout, but keeps going with amphetamine. Not sleeping at nights, unable to concentrate, arbitrary snap decisions, slowly loosing sanity, illusions of grandeur, common ideological ground with Trump, etc. Decade of that and he'll be Trump.
Not yet, but he's already eyeing a role in government. Wouldn't surprise me if he eventually manipulated Trump into creating a special class of immigrant citizens who receive naturalization because of "service to the nation" granted by the president or some such.
Wasn't he on some sort of advisory committee during Trump's first term? My memory is that they disbanded basically because it was a waste of time, for obvious reasons. Let me search...