Part of being creative is not being super-duper focused.
Monotony collapses time. Novelty unfolds it.
...who we are and what we do it is fundamentally a function of what we remember.
Our culture is an edifice built of externalized memories.
As bad as we are at remembering names and phone numbers and word-for-word instructions from our colleagues, we have really exceptional visual and spatial memories.
When you want to get good at something, how you spend your time practicing is far more important than the amount of time you spend.