Steve Martin started working at Disney world when he was 10. The Goldilocks rule: humans experience peak motivation when working on tasks that are right on the edge of their current abilities. Not too hard. Not too easy. Just right. Once a habit is established it’s very important to continue in small ways. The greatest threat to success is not failure but boredom. At some point it comes down to who can handle the boredom of training every day, doing the same lifts over and over￼￼. “Men desired novelty to such an extent that those who are doing well wish for a change as much as those who are doing badly.” - Machiavelli. Professionals stick to the schedule (have a high threshold for boredom); amateurs life get in the way.