I was very pleased with myself that day.
But bugger me if another even bigger hill didn't appear from right behind it. My mind suddenly filled with Part Three, also a big task, and as I thought on it I thought of a dozen ways Part Two could be improved. Bugger. Back to the drawing board.
Oh well. Keep going forwards. Blasted thing can't hold out on me forever. More I keep working, the happier I am with it.