Answer:
"Good Country People" is a short story written by American novelist Flannery O'Connor that was first published in 1955. It tells the story of Mrs Hopewell and her daughter Joy and their lives in their farm in Georgia.
Based on Mrs. Hopewell's attitude toward the fields, it is reasonable to infer that the story takes place on a wide, isolated expanse of farmland. In the excerpt provided in the question, it shows how, first, Mrs Hopewell lives in a place with a vast majority of farmland and also how she is, someway, lonely and therefore needs Joy to join her during her walks over the fields.
Answer:
I think it is talking about hope and disappointment. The "treasure" Is disappointment. He wants to keep it locked up and not let out. Because he is in a time of need for hope. And he doesn't want to let disappointment get in the way.