"And you?"
He must know.
He persisted in his questions, but she was always on her guard, so that he was unable to draw anything from her, checked as he was by the fear of betraying himself, which seemed easy at the point he believed she had reached. An awkward word, too much persistence, would let a flood of light into her mind.
He also affected to speak as a physician when questioning her, and to look for medical explanations of her condition.
"If you do not sleep it is because you suffer. What is this suffering?
From what does it proceed?"
Having no reasons to give to justify it, since she did not even dare to speak of her brother, she denied it obstinately.
"But nothing is the matter with me, I assure you," she repeated. "What do you think is the matter?"
"That is what I ask you."
"Then I ask you: What do you think I conceal from you?"
He could not say that he suspected her of concealing anything from him.