Interesting take on the artistic process by Maurice Sendak, the author/illustrator of Where the wild things are, among other texts:

“This dual apperception [of self as adult and child] does break down occasionally. That usually happens when my work is going badly. I get a sour feeling about books in general and my own in particular. The next stage is annoyance at my dependence on this dual apperception, and I reject it. Then I become depressed. When excitement about what I’m working on returns, so does the child. We’re on happy terms again…”