Success comes from boredom. You have to handle the boredom of training every day. Successes in most of life comes only after consistent effort over a lengthy period of time. It’s the training montage, the years of study or work. And most of the time the monotonous work is repetitive and can be boring.
Success can usually mean you can handle boredom, you can stay the course, and you’re a finisher. This usually means you have a good purpose.
For more on this topic, read Atomic Habits Ch 19