I think that discipline is so much of an important part of being a parent. Because it's very, very important to teach your children to take responsibility for their actions.
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.