Have you ever played ping pong up against a wall? You get exhausted a lot quicker than playing against someone. It's the same with getting angry. If you keep getting angry on your own, all that anger will just come back to you.
Restoration is a skilled profession. You might even call it an art in its own right, except that it is frowned on to be original. First rule of restoration: follow the intention of the artist. Never try to improve on him.