How does the female character assert her independence from John at the end of the short story? What does she do and what is John's reaction? she leaves john

When morning comes, the narrator has peeled off all of the wallpaper and begun to creep around the perimeter of the room. John eventually breaks into the room, but the narrator does not recognize him. She informs him that she has peeled off most of the wallpaper so that now no one can put her back inside the walls. John faints, and the narrator continues creeping around the room over him.