Not sure I can help much with ideas, but reviews I can do.
Excellent story, I like the way you convey to the reader Lewis' feelings, past experiences, etc. without losing any quality in the story. I have trouble doing that. You're doing good, keep it up.
Like I said, I don't have any ideas for it, but I'll let you know if I think of any.
Officialy offline as of April 4 Australian time.