[That assurance is good enough for him for now. Carter decides that he wants to believe that this other person is quite real. Because he doesn't want to go mad. And even less than that he wants to be alone.]

Yeah, how did you know? Suddenly I was here and I have no idea how I even got here...

[He shakes his head, still trying to process it all. But at least now he's trying to process it.]

I don't understand, did you bring me here?