Absolutely. Mastery is knowing what details to pay attention to. When you're learning, you don't know which ones, so you pay attention to all of them until they

Absolutely. Mastery is knowing what details to pay attention to. When you're learning, you don't know which ones, so you pay attention to all of them until they progressively become more automatic. This requires a lot of focus and mental energy, but it deeply rewarding in it's own right.