One of the most difficult things for people who have been successful in sports is adapting to the daily world where you can't get an answer from someone until 5 o'clock tomorrow. There is always an excuse. Living 40 or 50 years like that doesn't get too exciting after a while.
Excellence is an art won by training and habituation. We do not act rightly because we have virtue or excellence but we rather have those because we have acted rightly. We are what we repeatedly do. Excellence then is not an act but a habit.