In nearly all cases the story codes provided by Teann are useful when looking for specific types of stories. Yet one size does not fit all, and here I must take keyboard in hand to argue for a bit more thought in choosing which codes apply.
A recent story of mine, The Illustrator, had both F/mf and M/mf codes assigned. Aside from spoiling the not so clever twist in the story plot neither code had any particular relevance, since there wasn't really any sort of dominant/submissive relationship involved. Now a P/v (psycho/victim) might be suitable, but I don't believe that code exists. Granted, the overwhelming number of stories posted on Gromet does fall into the traditional categories, but in the future how about a note while submitting a story to include suggestions on appropriate, or inappropriate story codes? Or when in doubt, leave off the relationship codes altogether?
I did appreciate the use of the F/? story code in the Stox Box stories, since there was some (deliberate) ambiguity as to just who was in the box. A ?/? story code on the other hand, while it might work for The Illustrator, it isn't very informative to the reader.