Simply put, there are two kinds of people: Those who make excuses, and those who make it happen. Who do you want to be?
Change is hard - so there's no reason to complicate it any more. You don't need a drill sergeant to drive you to improve yourself. You simply need a plan...and to stick to it.
Do you tend to put something off when you really could or should be getting it done now? Learn how to overcome procrastination.