Castiel felt that since their makers were not there, then maybe there was a chance, but if the reality were created by a spell, then were was an equal chance that Helena and all of her sisters could be sent home just as easily. That raised several other questions - as to whether any actions in this place would matter, or whether anyone would remember or not. It was difficult to say. And as always, he refused to be optimistic. Realism felt more natural.
Though he felt that it was natural to also stick up for one's friends and comrades. Whether it was inherently in him or something Anna had instilled, it was there...and it pained him to know that few angel saw it that way. As for the Winchesters...they had each other's backs. No one else's.
And in terms of friends, he'd only had the two. And other angels. He was open to meeting some of the others. Including Helena's sisters, if she would permit it. He did intend to heal the one that was sick if she granted permission. There wasn't much he could do, but that was something he could.
"No," he replied. "That is the one that spins, yes?"
He vaguely knew of it. All of the play equipment seemed similar, but it seemed to make the children happy.