 When he's writing, he has many showers a day because that allows his brain just to declutch and to allow it to free-float a bit away from the normal pressures of day-to-day. The other way that people have ideas is walking. The great poets of the English countryside would walk for miles and miles, and they would find ideas would come flooding to them. And I find the same thing. If you walk, after about half an hour's walk, I find myself having ideas.