Ego needs honors in order to be validated. Confidence, on the other hand, is able to wait and focus on the task at hand regardless of external recognition.
As you become successful in your own field, your responsibilities may begin to change. Days become less and less about "doing", and more and more about making decisions. Such is the nature of leadership. This transition requires reevaluating and updating your identity. It requires a certain humility to put aside some of the more enjoyable or satisfying parts of your previous job. It means accepting that others might be more qualified or specialized in areas in which you considered yourself competent -- or at least their time is better spent on them than yours.
Yes, it would be more fun to be constantly involved in every tiny matter, and might make us feel important to be the person called to put out fires. The little things are endlessly engaging and often flattering, while the big picture can be hard to discern. It's not always fun, but it is the job. If you don't think big picture -- because you're too busy playing "boss man" -- who will?
With accomplishment comes a growing pressure to pretend that we know more than we do.
No matter what you’ve done up to this point, you better still be a student. If you’re not still learning, you’re already dying.
The material we’ve been given genetically, emotionally, financially, that’s where we begin. We don’t control that. We do control what we make of that material, and whether we squander it.