[Akira doesn't know about everything Guren is talking about, but he gets what he's saying: these are all the things Guren counts among his own failures.

So failures happen. And you're supposed to pick yourself up and try again. He gets that; every inspirational poster he's ever seen says that. But...]

How do I train to get stronger against this?

[His brow creasing is the only real sign of emotion on his face at the moment, but his voice is more vulnerable than he would like.]

Against things that can trick you, make you see and hear things that aren't real. How do I train for that?

[And while it sounds a bit like a hypothetical, he means that literally. What can he do, to keep this from happening again?]