This is brilliant! It's a step above putting a buffer into your schedule. It's putting the extra days in the schedule... but you CAN'T USE THEM unless there's a real reason you didn't get to write. So, if you're feeling lazy and don't get around to writing, that's not good enough for a makeup day. You don't get a makeup day if you skip school. But if there's a real reason, like the cat destroyed your computer, or your spouse has a medical emergency, then you have the makeup day to fall back upon.