Another sad headcanon? At some point John is going to get severally injured on a case and probably almost die and we're going to get to see heart broken-murderous Sherlock << go ahead, rip my heart out.
Prompt -- both of the pills the cabbie offered were harmless. the poison was in the water he gave his victims to take the pill with (he dry swallowed his own) <---This isn't a prompt! This is a Sherlock headcanon!
Submission by I believe this. Watch the scene again. Sherlock freezes and he looks like a lost child. He completely misses John's SOS. <<< yup, Sherlock absolutely thought Moriarty was Watson. Pretty sure this can be taken as canon