The reminder is the trigger that initiates the desired (or undesired) behavior. The routine is the actual behavior you perform. And the reward is the reinforcement, or benefit, from doing the behavior.
Your job is to show up and do your work consistently and well enough that it’s worth noticing. Practice, prepare, and be patient.
… to be an artist and that he could not become great on his own, no matter how talented he might be. No amount of natural ability can compete with diligent practice. So the boy used the opportunities that were available to him.