I agree with you for the most part. I believe "they do owe it", and they should want to do it. I know I would if I got out of line, I would do what I could to ensure the other party realizes how much they meant to me, and that I'm sorry that it happened like this and I truly value them.
My actions would show it. Its not grovelling either, I wouldn't expect anyone to grovel. She should do what love would do.
It is good hearing that she's somewhat ashamed about the entire incident and that she's opening up torwards him. His story is an inspiring one for a LBS.