I'm pretty critical, but I'm also pretty good at letting go once it's done. There's this existential argument that comes in, at some point, when you're over-thinking the songwriting process. There's no guarantee that the more time you spend or the more you concentrate on certain aspects that that's going to produce a better result, especially in the arts. Some of the most brilliant things that someone might do could happen in three minutes because it's something that just occurs to them.