I've met actors where you think, if only you could just clean up your act and get it together, people would want to work with you. Some people are so difficult, it's just not worth working with them.

What identifies an individual as a king is how other people behave towards him. All authority is assumed, and if other people don't accept your authority then you don't have it. Perhaps the critical thing to being a convincing figure of authority is actually not to try too hard.