For maybe the first time, River's glad the mask hides her face. She fears what it might have given away in that moment.

"Doctor, there are so many things you never tell me." And her chest aches even for saying it. Darillium had made up for much, but not nearly all. There are so many things that remain unsaid between them.

Every question she wants to ask that matters seems cruel, and there isn't any part of River that wants to hurt her wife. Nor is she certain she wants to hear the answers, the honest answers. "Did you stay with me because you knew how it ended, because it wasn't indefinite?"