Discipline is a big words and it came with a lot of try and error, experiment and willingness to change. Discipline also need commitment, people who don't give up and be serious. It took me 6 months to 1 year to be disciplined in my routine, a lot of experiment, a lot of motivation, a lot of WHY I cannot give up, and etc. But first, you must willing to try anything to help you become a discipline person.