What he said it's actually valid. I'm now studying about the creative process and part of the steps is investigaste deeply and absorbe info ("think about it deeply") then just relax, have fun and even taking a nap ("then forget it") and after that, comes the ilumination ("an idea will jump up in your face"). Actually Don executes the fun and sleepy part too during the whole show JAJA. Now I understand that he wasn't lazy or idle drunk, he was just doing his job! Being purely creative.