Every time I listen back to solos of mine I'll hear something I like and then another phrase that I can't stand. You have to live with what you play. And the recording medium puts that on us. When I play live gigs I don't think so much like that.
Photographers deal in things which are continually vanishing and when they have vanished there is no contrivance on earth which can make them come back again.
By exercise. I'll tell you one thing, you don't always have to be on the go. I sit around a lot, I read a lot, and I do watch television. But I also work out for two hours every day of my life, even when I'm on the road.