The shadow across his face seemed to indicate that he was offended by the very idea that he was untrustworthy. It was her turn to roll her eyes. He didn't have the right to be upset that she would suggest such a thing. Hadn't he already done exactly that? Maybe he didn't understand the depths of the depravity and deviousness that Rodolphus stooped to in order to completely fuck with Hermione's mind and life, but that didn't matter. He still betrayed her.