He watched the kids finding their way through the maze. How do they do it? All those pathways, turns to the left, turns to the right, dead ends. The youngsters managed easily enough. He tried to visualize the route, following the paths with his eyes, but with no success; he always ended up back at the start.
He never was much good at puzzles, even as a child; absolutely no aptitude for problem solving.
He sighed and returned to the surgery.
“Time to gown up, sir,” said the nurse.
“Thanks,” he said, “Nothing like brain surgery to help one relax.”