Harry nodded, turning over the information in his head. "You think he'll work himself to death?" he asked. "Or that he won't be able to pull out of Voldemort's mind?" There was a distinction, and while he was worried about the first, he wasn't sure about the latter. Maybe. But then he did have Sirius.
Still, he was already closing off from people. Feeling less and less. Maybe the task force would only dig him deeper? He still wasn't decided.