"Actors?" Avery sounded almost as if he hadn't understood the meaning of the word Miles used. It was almost unfathomable to him that the scientists might consider hiring people to pretend to be housemates that they could then remove. Why would they do that? Well, okay, why would they do any of it, really? It was something they'd likely never know for sure.
He scratched at his hairline, feeling only moderately uncomfortable, which wasn't too bad, for him. His problem with conversations of any length was that he was so unused to them that he had trouble thinking of things to say for very long. Hence, people usually became bored with being around him, and he didn't seek people out for that same reason. Vicious cycle.
"It's a little strange," he said of the experiment, "but not too bad so far." He glanced over at the fire again, wondering if it might not be a good time to head back to his room. He had books, and he was actually getting relatively sleepy from the pill he'd taken.