[ welcome to helen's life, martha. it might not be as long as the doctor's, but she's had more than her share of losses. she's silent for a while longer, trying to figure out how to put to words what she means. ]
Letting go of the guilt, accepting that there's not a thing you can do to change what is, and moving forward with your life, even though you will never forget them.
[ and never forget their sacrifice. she'll never forget ashley, never forget james, and she certainly won't forget jean-luc. at least, in the grand scheme of things, she knows there's a chance she'll see jean-luc again and she'll just have to hold onto that hope. ]