[...Sure, he'd like for that to be true. But he can't delude himself into believing that, Souji.
The only thing nudging his chin does is encourage him to make eye contact again, and Ian knows his weariness will be obvious now. He's spent... more time than he'll ever admit, thinking about all of this.]
Torin...
[He wets his lips again, needing to find a way to put this. He... suddenly feels like he needs Souji to understand, to be on the same page as him.]
...No matter what happens here, we're to believe that eventually, we'll all be returned home. Torin...
...
[Better just go for it.]
...Shortly after you return, Torin will be killed. This place may be the last chance you get to spend time with him.
[And... that should make it pretty obvious as to why Ian hasn't really been trying very hard to find out if this is actually an illusion.]