I think they passed a law somewhere that every DW/TW fanfic author has to write a post-CoE story.
No, it's not a law - more like a virus. see, CoE gets into your brain, and it starts digging around in there, gnawing and burrowing, and it won't let you go until you write an aftermath story, or possibly not even then...

This is excellent. You've really captured Jack's darkness.

ruthless compassion
You just summed up the Doctor in two words.

Can't wait to see where this goes.