Lydia’s door is open as she bounces to the beat, seemingly totally lost in the music. She didn’t want to think, hell she didn’t really want to feel but at least with music she felt better. She kept dancing even when she heard a knock on the door. “Come on in, what do you need?”
Thoughts after TEH rewatch. Nothing you haven't heard before probably.
So like I said, I rewatched TEH, and wow I totally get where John is coming from this season after a refresher on this episode.
I mean, Sherlock treats him like dirt. We see the one fateful moment when he flips out while pulling John out of the fire, but John doesn’t (till later, when he’s floored by it). But other than that, we get:
(TL;DR: Sherlock is really horrible to John until he isn’t, and what John knows by the end of it all is that he’s the one thing that can reliably fuck Sherlock up.)