[At this point, Armin only know Captain Levi as a living legend. To hear Erwin wax sweet about him would be highly disconcerting.]

He has.

The first time he was here, he arrived alongside me. He was actually here for several years before he went back to our world. When he arrived here again, he was older and unfortunately didn't remember anything about his previous stay here. Sometimes people do remember, but usually, they don't. It's hard to say why that is.