She came in flustered and apologetic, a touch of anger in her face. He’d embarrassed her. He saw that. He’d embarrassed her by doing something that showed she hadn’t sufficiently noticed him needing her. She’d been too busy nursing him to notice how scared he was. She was angry at him for pulling this stunt and ashamed of herself for feeling angry at him in his hour of need, and was trying to put the shame and anger behind her now so she could do what might be needed.
