The Question and Answer section for Flannery O'Connor’s Stories is a great resource to ask questions, find answers, and discuss the novel.
The narrator's tone is a combination of humor, detachment, irony, and seriousness. We see humor in the narrator's description of the children's mother; other characters are simply viewed from afar, and yet others are described with all...
Mrs. Hopewell dealt with Mrs. Freeman's tendency to be nosey by making it her business to know "everything" that goes on.
Certainly grandmother feels guilty but I think this underscores how helpless and useless the grandmother is at this point.