I wrote about Freud and the process of sublimation, which is...

I wrote about Freud and the process of sublimation, which is when you learn to stop breast-feeding, or stop going to the toilet whenever you want to. It's about learning to repress a desire for instant gratification. And in a repressed society, artists fulfil a sense of harking back to instant gratification, or immediate expression, by doing things that function on the edge of society, or outside of what is conventionally accepted.