"What are you working on?" she asked, always curious, but also doing her best to act as casual as she felt it was possible. She did indeed wish to flee in order to remove herself from such an embarrassing situation, but as he had already called her out on that she felt as though it were not an option now.
She would have the coffee and speak with him calmly. Then she would flee. Return to her home and do her best to let this go away as quickly as possible.