There was a small smile, much like when Prompto had asked who he was and what he'd done with Iggy. "I suppose I have." He'd been on the train for quite awhile and to go a little mad at times was to be expected in his own mind. Mission time was good only because it got them off of the train and allowed them to stretch their legs. Other than that, there were children to protect on the ground.

He got up and stretched a little, and then he looked at Gladio. "However I assure you despite my temporary insanity, I'm still quite all here."