I forgot about reading those, I was curious about them myself. I'll probably do it after this post.
I found another one that fulfill the requirements even though it has a skunk spray fetish. Basically a married woman get afflicted with a disease that turns her into an anthro skunk and her husband tries to reassure her that he still loves her despite her bodily change.
http://www.furaffinity.net/view/9287262/
Ended up finding another minutes after posting this one I'll let the title for this one tell you.
http://www.furaffinity.net/view/9125726/ Also it's not mature like the other one I find.