[That question gives Billy pause, and he fiddles with one of the stolen chess pieces, listlessly spinning it between his fingers. He's totally losing- even if it might not be immediately obvious, he can recognize the signs.]

I know it... shouldn't be. You've already told me there was something in my head. And I felt it, too. But I also feel like it would be wrong to say it wasn't my fault. So how can I just shrug off the blame?