He isn't, although he'll mostly just be confused, maybe tell Levi to keep it so he can buy his own food again later, thinking that maybe he just found it.

But Erwin beams, nodding enthusiastically before reaching out to take Levi's hand again - hopefully that's okay - and trotting off together to find them a place to sit and watch. It really is like watching a sea of yellow, twinkling stars, but alive. If there is anything more wonderful than this kind of simple joy - taking in a beautiful scene with a new friend (that feels strangely familiar in the best kind of way), Erwin can't think of it.