"Not at all, Ms. Potts." If the AI sounds bemused, well. It's probably your imagination. Probably.

When Pepper arrives downstairs, Tony is immersed in some small-scale tinkering with one of his suits. He doesn't look up though he registers her steps immediatly. He's been living alone for over twenty years after all. "What can I do for you, Pepper?" he calls, devoting half his attention to her without looking away from the screens.