Night Shift

Steven is certainly caught by surprise this time at the casual trapping of pseudo-time-travel.
"Um. If you think that's wise. Ah. What should I 'wear?'" He is obviously asking her what disguise she thinks he should wear even if it isn't possible to cause any paradoxes.
Honestly this sounds more like something Keiko would come up with. She is, after all, essentially suggesting that they casually visit a war zone only some years before they were all caught and thrown into a literal hell.