Famous people feel that they must perpetually be on the crest of the wave, not realising that it is against all the rules of life. You can't be on top all the time, it isn't natural.
“In '98, I locked myself in my house, went out of my mind and wrote 25 songs. I rarely bathed during that period of writing, I sent out for food, I didn't really venture out of my house in three or four months. It was a hell of an experience.”