I’ve heard the best car mechanics are the ones that wear all white at the shop and at the end of the day, it has to remain all white. That is to say, perhaps as Martin says, force of habit apart from technical matters. Maybe excellence has to find you practicing even when it’s not needed. That’s how you get good. Like the best Ju-Jitsu guys train 7 days a week all year long, take no breaks even on holidays. It’s crazy.