Beautiful Pain

Set after The Reichenbach Fall John is left to deal with the aftermath of Sherlocks death. He finally realizes how he really feels about Sherlock but it's too late for them. John moves on and starts dating again.
Two years pass by and Sherlock returns thinking things will be the same as before he left but little does he know how much things have changed. Will it be too late for the possibility of Sherlock and John or will they discover that they feel the same way about each other before it's too late.