Trust Your Data, Not Your Mind
When you add decor to your home, previous decor can look worse. You paint one wall a bright blue, but at the same time, the shine of the wall next to it dulls a little. Your codebase is a never-ending cycle of refactoring. Small improvements to one part, makes you see small improvements for another part. Shining a light on a piece of your code, shines problems on code around it....