"All right," he said carefully. "So you want me to tell you everything." Not that he ever would and maybe he did treat her like someone who couldn't keep up, because in large part she wasn't. Few people were and most of them who had insight to how his brain really worked, the way he processed things - it didn't end well. Eli might no longer be the child who found birds in the backyard and found ways to take them a part, but he was that sort of person.
And he knew how to take apart Samara, not literally, but well enough to break into pieces he could manage. That was probably why he asked the following question. After all if she could ask it of him, why couldn't he expect the same of her. "Does that mean you already tell me everything? That you keep no secrets from me?"