The Drawbacks of

Ultimately, this is what has driven Sherlock out of the flat tonight. It isn’t bad enough that he feels like his brain might burn out, it’s not enough that even Lestrade’s cases can’t cheer him up, and his deductions draw dubious glances from strangers and silence from John, no. The two years he was away, he constantly wished he could come home, to London, to Baker Street, to the people and places he knows. Now he has returned, only to see for himself that home has become strangely unfamiliar and he has to reacquaint himself with everyone and everything, and it makes him wonder if it would have been kinder to stay away.