Mira knows as little about civilian life as Ven does about military, and the question catches her off-guard. Is it hard? Compared to what? Cadia is a fortress by necessity--it can't possibly be as hard as going unprepared would be when the forces of Chaos inevitably overran the world.

"Sometimes," she decides after a moment. "You have to follow orders, even bad ones, and things can go from fine to disastrous almost instantly. War is like that."

She got a very vivid demonstration of it right before arriving in Dualis, but enough time has passed that it no longer trips her up to discuss it, even if her eyes go a little distant as she remembers.