She hated that it was bothering him, and she made a promise to herself then and there that no matter what Terry said, she would make it clear that she didn't want anything more to do with him, that she was moving on with her life and that it was time he did the same.
"Yes, I'll meet him at four, be home before five." She didn't imagine it would take an hour, but better to overestimate it. Then he might be pleased when she came home earlier than anticipated.