You can't just break an old habit. Replace it with a new habit, and then to do anything within reason to support the replacement habit.
Leaders must learn the difference between what is necessary and what is expendable. A leader is a broker of talent, time, resources, people, energy and money.
It has been wisely said, “One’s destiny is not determined by what he possesses but by what possesses him.”
Leadership should not be seen as a goal or an end in itself. It is a means to an end.
Good leaders understand how to leverage both relationships and results to achieve a mission.
It's important to be disciplined and work hard; it's also important to love what you do. Viewing an undesirable job as a way to fulfill a calling can lead to joy in whatever you do.