I will admit that the idea was first seeded by re-watching the film, and the phrase "I shall never have grandchildren" stuck with me and replayed itself until the idea got lodged, but this isn't fanfiction, or a version of their future.
My Jamie is very different from that Jamie, and Ste is not the same guy, though he suffers from some of the same problems. Jamie's mum is a very different person altogether, that's for sure.
(Interestingly, I kept Ste's name not because of Ste from the film, but because I met a couple called Jamie and Ste in Korea whilst travelling, and this Ste is based a bit off him too).
I'm glad you liked the story though, and thank you for the review.