[Ian's lips can't help but twitch into a grim smile. Oh, boy - you haven't even reached the point where you'd need to hallucinate a situation like this to cope, not yet.]
Like I said, there's nothing definitive to say this isn't an illusion. For all I know, I've created this world in my head and all of you are guest stars in a very long dream.
[He shakes his head, closing his fingers lightly around Souji's hand. It... really shouldn't be as comforting as it is.]
The only thing I can say for certain is that, with the exception of the natives, the people here feel real. If this is an illusion, or a dream, they've put in a lot of effort to make it believable.