Okay. So I watched the last episode (so far) again and noticed some things.
Firstly, when the little girl screams at seeing Sherlock. That means that Moriarty has someone working for him who looks like Sherlock. Someone who could easily have been the corpse at the end after the fall.
Secondly, when john’s at the grave he says, “I owe you, so much.” (*feels*)
Possibly, this means that John knows he faked it and wants him to stop pretending and talk to him again?? And the whole thing with the therapist could be him trying to fufill Sherlock’s request to tell anyone who will listen so that he’ll come back.
ALSO, the relevence of the apple hasn’t been explained properly yet.
Just thought I’d get that out there.