The Heart of the Matter (джен)

It's been six years since that day at the aquarium. Six years since "Norbury" became Sherlock's defining failure. Six years since John Watson decided he'd had enough. One phone call, six years later, reveals so much.
"I'm sorry sir, there seems to be a misunderstanding. We have you listed as the only emergency contact for Mister John H. Watson."
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I wasn't going to do this. I wasn't going to write a response fic until I had seen all three episodes of the new series. But this idea came, and I needed to get it out.