Cas felt some of the tension leave him when Remus didn’t just tell him what to do and instead asked what he wanted. "How about in the living room?" He asked. Truly he didn’t know, were Harry’s toys supposed to be in the living room, or were they supposed to only be in the dedicated playroom? At what age did you start making a kid keep their toys out of the living room? But he didn’t feel like he could say that he didn’t know, felt like saying that would make Remus question whether he knew what he was doing, so he gave his best guess.