I was reading this on the train home and had to make sure I didn't accidentally go past the station where I had to change, because I was so engrossed.

There's so much I could compliment you on. The way John struggles and succeeds in understanding Sherlock. How Lestrade is also understanding and patient. Sherlock's frustration and persistence. Mrs Holmes being the mother he needs at the moment he needs it, but otherwise remains in the background.

Great story.