Is Discipline Important? Why Do I Need Discipline? Many adults don't realize or understand the importance of discipline because as a child they hated it. I'm saying that because I was once that adult! When I realized that discipline was the very thing that I needed to have to build the life of dreams all that changed. I began to take my discipline a lot more seriously because me becoming more disciplined increased my productivity and consistency.   If you desire to one day live the life of your dreams I suggest you take it a bit more seriously as well!  Don't be afraid to start small!