It's hard not to get a big head in the film industry, there are people on a set paid to cater to your every need, from the minute you arrive until you go home. It's kind of strange, but not unpleasant. ↗
There are, of course, all sorts of other unpleasant regimes outside the walls as well - the military dictators of Latin America and the apartheid regime of South Africa. ↗
I used to think it was hard to write, and I still find the process more or less unpleasant, but if I know what I'm doing it rattles along, then the rewrite whips it into shape rather quickly. ↗