"Life is messy. Humanity is coming alive again." He gave Levi an uncharacteristically sly look, just for a moment. "We need to make sure these 'brats' are ready to take on the work ahead."

To take over from us, he meant. Nobody in the Survey Corps bothered with a retirement plan; even beyond that, age hunts a man more viciously than any titan. If they could not win the war themselves, he and Levi, the banner would have to be passed. Someone like Jean, or Armin, would succeed Erwin. Someone like Mikasa would succeed to Levi's position. Except she did not have Levi's compassion or his drive.

Just one of the many kinks to be worked out as the future unfolded.

"You don't have any concerns, do you?"