[It was as Mari said, simplistic as it sounded. Her betrayal of the people of the Walls was the salvation of those in the outside world, much as her wish for her people to somehow survive meant harm for those she was sworn to protect.

In the end, the future would be written by the survivors - and maybe the man who inherited her memories would be among them.]

...

Letting go of it all is hard. I wish I could have done better by everybody. However, you're right... I can't do anything for any of them anymore.