[ she can't clench her fists any tighter; she pushes herself away from the table, headed towards the door ]

I'm going out.

[ and then, either because she knows what he'll say or she's being conscientious, or probably some mixture of both, she turns around and points her finger at him ]

But I'm coming back! I'm just going down to the harbor, all right? And I feel fine, I'm not going to faint! You can come after me if I'm not back in an hour!

[ and she turns on her heel again. ]