What does Mrs. Jones reveal about her own past when talking to Roger? She was once a police officer. She has always been wealthy. She has never done anything wrong. She understands what it's like to want things you can't have.

Mrs. Jones reveals that she understands what it's like to want things you can't have. In the story "Thank You, Ma'am" by Langston Hughes, Mrs. Jones shares with Roger that she has also experienced desires for things she couldn't afford or have, indicating empathy and understanding of his situation.