He's a person! Just not... human. Still a person, though.

...he's working on it.

"Yes," is John's answer once Darling gets through with what he's saying. He nods as well. "Before this place, Arthur and I were always together. I shared a body with him, had his eyes and one of his arms." The toes never seem to roll off the tongue as easily so he doesn't mention them. "We traveled to the Dreamlands, and to what was apparently an alternative timeline in the past."