[Reiner only shakes his head in turn.] I don't know. I was given my mission and knew I had to complete it. [Even if he knew, he's not sure he can bring himself to talk about it.]

Because I... betrayed them. Everyone. I forgot who I was, what my mission was... I thought I was a human soldier just like the rest of them, not a shifter.

Is my own selfishness justification for getting that many people killed?