Mildred really didn't react at all to Montag's statement of having burnt a woman and her books. She was more concerned with her show, with cleaning floor, and with the fact that Guy wasn't going to work. She couldn't imagine why he would be so upset at doing his job. When Guy makes a point to tell her just how affected he is, that he might want to quit his job because of the lady Mildred answers him, "She's nothing to me; she shouldn't have had those books. It was her responsibility, she should've thought of that. I hate her."Mildred only cares about her own life, not Guy's, not the woman's, not Clarisse's and her family's. She just chalks the incident up to, "water under the bridge.