"I'll have to give it a try soon." There are so many things to take in, to try and acclimate to; not just a whole new world of incredible things, but to reconcile himself with the people he knows here, with Levi, and with Hange, and the cadets, nearly all of them four years different than when he'd left them. Even with those ghostly memories, it's quite a lot to fully realize.

"Is that so? I'm glad." And he is - Erwin can't imagine Levi sitting around when there were opportunities to help, no matter how small. The word useful doesn't go unnoticed, either. He could never be useless, but Erwin well understands the need to do something, even if he doesn't have any desire to be a Commander any longer - sitting still was never something either of them would adapt to easily.

"I'd like to go with you on one sometime." A beat, the corner of his lips twitching, well remembering Levi's threat the night before they left. "If you'll allow it."