[It's - well, that demon was revealing in a way that Holmes was not prepared for. Everything he pushed down by force of will, busywork or more extreme methods now makes sense.

And he did not like it.

And he's not surprised that Moriarty would appear not long after that, wanting - no - needing to talk. Sherlock shifts from the Eastern wear he had taken up, to more familiar, recognizable clothing he generally wore while on a case]