Her question made him refocus on her again, even if Karl had been more than ready to leave and just let things be. He didn't even feel like answering her question, a decision almost made because of what he was, rather than who.
"'That'?" he questioned right back, folding his arms as he stood for questioning, himself ready to explain to her exactly what she had told him just couple of minutes prior that made him walk away. But first, she needed to face this herself if she was going to ask for anything more.