He is very, very talented..and can get through to a LOT of independents and those who “don’t like politics”....but yeah, he is unstable at times...that makes him very unpredictable.
My guess: He is Bipolar. and I don’t mean that as a put down at all, it just describes his labile mood and behaviors.
Which is what makes him so popular. We must admit, no one likes predictable people.
Women are not satisfied with 'predictable' men.