Glancing across the sitting room, John realised he had no idea where Sherlock was. Even more startling was the revelation that he absolutely didn't care.

They'd been working on a case for four solid days, four days where Sherlock forgot that John had basic needs like food and sleep. When they'd finally cracked and gotten home, John had stuffed himself with greasy leftovers. Sherlock had been on a post-case high and was prowling around the flat, talking emphatically to himself. He'd still been at it when John went up to his room and fell into bed.

With a shrug, John settled into his armchair and pulled his laptop up off the floor. Unsurprisingly, it was still on and Sherlock had left multiple tabs open, including several of the online medical journals John subscribed to. Apparently he was doing something involving coagulation. Again.

John looked over at his piles of scribbled notes – they'd been so busy recently that he hadn't written up a case in nearly a month. Having the flat to himself was a rarity nowadays, so he decided he'd take advantage of the situation. He put his laptop down and puttered into the kitchen to make some coffee. Once it was ready, he sat down at the desk and cracked his knuckles, ready to plow through some of his backlog.