He felt a little relieved to hear it didn't normal happen again, but she was right, anything could happen, he just had to hope she would get some uninterrupted sleep so she wouldn't be a zombie in the morning.
George didn't know if he was in a bit of shock from the experience, or if it just didn't matter to him, but the fact that he'd seen her like this didn't bother him. In fact, he was extremely glad she was comfortable with him even when in such a state as she had been. She was at least able to see he could be serious and reliable when he needed to be, he wasn't all jokes all the time. And he wanted her to be sure that no matter what was happening, she knew he wouldn't turn away from her.
"That's right," he said, reasuring her. "I'm not going anywhere, and even if you don't wake up in hysterics, if you do have another nightmare, wake me up, ok? I don't want you to have to deal with this on your own." He'd already closed his eyes as the addrenaline ebbed away, leaving him feeling exhausted.