I haven’t read so many theories about the Sherlock Reichenbach episode so here’s a question to Sherlock fans. What could IOU mean? I’m pretty sure it’s not just a shortcut of ‘I owe you.’ I mean, when Sherlock was talking with Molly before he went to meet with Moriarty on the roof, he did answer ‘YOU’ with emphasis when Molly asked him what he wanted. Could it be that he was dropping another clue, with ‘you’ meaning the ‘U’ in IOU? And what does Molly have to do with it?
I’m not sure if it’s been discussed yet. I’m so confused. @_@