Remus honestly couldn't believe that this meltdown wasn't scaring Aaron away. Instead he was being so nice, and...

It just came pouring out. "Not all my friends are dead. Sirius..." Remus had mentioned them all by name when he was telling Aaron about Hogwarts. Sirius, James, Lily, Peter. And from the way he'd talked about them there was probably at least a whiff of his feelings for Sirius. "Sirius is in Azkaban. Wizard prison. Because it's his fault the rest are dead."