She didn't buy that for a second. She knew of course that he did not want her caught up in the tangled web they were trapped within, but the rest of it was just an excuse. Narcissa knew him better than that, and he had to know that, too. "It's a little late for that sentiment now. I am part of this tangled mess whether I want to be or not." If only he knew just how tightly bound to the situation she'd already become. She only felt a little guilty about not telling him what part she'd already played, but she most definitely had her reasons. It was for Lucius' own good that she had not told him what she'd done while he was in prison. If she had it her way (which quite often she did), he'd never find out.
"I'm your wife," she said again. "We're in this together, as we always have been. Do not start blocking me out now after all we've been through. It's not fair, and I won't allow it."