Devouring himself with guilt is something that Wash absolutely excels at. And does every day. Constantly. All the time. This is no exception, even if it's something new for him to blame himself for.

"It'll be difficult." He's spoken about this at length, with Miles. And arrived at nothing, except a few perhaps badly considered oaths. "Are things -- already changing?"

He's asking about the timeline, here. Miles had said yes, but Duv would know with more certainty.