TEWWG

27. "She had come to hate the inside of that store anyway. That Post Office too." (pg. 54)

This is another sign that Janie is not happy in her marriage to Jody. His possessions are making her angry and unhappy. He is always forcing her into things that she doesn't want to do, and the store and the post office are a reminder of the overbearing power that he has over her.