There are plenty of books on the subject and I'd encourage you to just search and read. Discipline as you note is essential in anything you do, work related or

There are plenty of books on the subject and I'd encourage you to just search and read. Discipline as you note is essential in anything you do, work related or otherwise, there isn't much that I can add here that you can't already find via a few searches, for me it's always helped taking things one step at a time.