It's more than just confusing, at this point. It's like Steven seems actively threatened by the idea - as if he'd been expecting that what was done to him would somehow prevent it from again. He shakes his head to himself, but it doesn't seem to be in response to Greg's question.

"I don't want to keep doing this, I'm going to get in trouble," he pleads, looking up at Greg with those glowing pink eyes. "It was really bad this time...I..." His voice cracks, and he holds book close to him. He's less confused about what happened than he was the first time they talked, but clarity on the matter isn't necessary a good thing.