If we, as coaches, aren't teachers, we are nothing
Discipline yourself - so others don't have to.
When it's over and you look in the mirror, did you do the best you were capable of? If yes, you will probably be ok with the outcome
Big things are accomplished when we master the little things.
Nobody is defeated until he starts blaming somebody else. My advice to you is don't fix the blame. Fix the problem.
Mentors are available at all stages of your leadership life - early, middle and late. Seek them out and listen; absorb their knowledge and use it.