Proficiency means you do it even when distracted.
Your training arises naturally to correct imbalances when you encounter unexpected events, just as an expert equestrian corrects imbalances without thinking about doing so.
Related instructions
Let even the remedy release naturally
Objects, poisons, seeds of virtue
Use reminders in everything you do
Work with whatever you encounter
Work on your strongest reactions first
Use one practice for everything
Use one remedy for everything
Engage all three faculties
Don't be dependent on extraneous conditions
Don't switch on and off