Self-assessment of good and bad habits. Structure a plan that implements small change each day in order to create the person you want to be.
Decide the person you want to become.
Prove it to yourself with small wins.
Dopaminergic response to extrinsic vs. intrinsic rewards. Build long-lasting habits by training yourself to crave the experience of doing work. The pain signal can be a trigger for dopamine release. Instead of rewarding yourself with an extrinsic dopamine releasing activity, drug, or food, that raises the base level of motivation, requiring that stimuli to be present every time you want to do the habit.