Petunia just shrugged, not sure what to say to that. She knew logically that she treated him horribly but that didn't help matters here where she had already made situations even worse, letting how much she was scared influence her actions. Not the smartest idea but she wasn't exactly thinking at the time... "We had made some progress towards the end," she finally said not sure what else to say.
She should say more but she was considering if that was a good idea. "I won't go near her if you don't wish me too. That I promise," she finally told him. Better to stay alive after all...