What if Sherlock comes back to London on the third year anniversary of his death and as he is walking past barts he looks up in time to see John jumping. Just before John hits the ground he sees Sherlock. John is still alive but in a coma and now its Sherlock who is the one waiting three years.
I can’t get this plot bunny out of my head but I haven’t been able to write it. It has probably been done before Xo