One of the things I learned the hard way was that it doesn't pay to get discouraged. Keeping busy and making optimism a way of life can restore your faith in yourself.
You always want to go out there with the best book possible, so I listen to what my editors say, and even if they don't know how to fix it, I always seem to find a way. 'Trust Your Eyes' is the best book I've written, and I don't know if I can do any better.