Square Root of Negative One by Doyle [non-lj link]
     Set post-Chosen and written before NFA. They have a “normal life” complete with how they met. But of course with these two nothing is entirely normal.

And that mutual grooming thing that chimps do? Also good. If you see typos, broken links, or anything else that needs fixing on this site, please let me know. And always feel free to recommend me fanfic, books, whatever.