The girl wanted to snap at him that it wasn't the reason that she had spoken up, though he was right, she was pissed as hell. She stayed quiet though and a faint smile ghosted across her face as Buffy refused. She was also glad that Lucius hadn't put up a fight about it.
She watched the two and had a hard time picturing the man beside her as anything other than a monster. But the way Buffy looked at him and spoke to him, he had to have been kind once. Either that or the girl had suffered massive head trauma