The Day a Difficult Sudoku Puzzle Taught Me to Slow Down I remember the exact moment I realized I was rushing my life the same way I rushed my puzzles. It was a late evening. I opened a Sudoku grid, expecting a quick win before bed. Instead, I picked a harder puzzle than usual—without noticing. Five minutes in, I was annoyed. Ten minutes in, I was forcing moves that didn’t belong. That Sudoku puzzle wasn’t difficult. I was impatient. https://sudokufree.org