You know Sherlock's desperate for a case when he starts promising stuff like this. The funny thing about it is even if Sherlock got the case he wouldn't keep the promise.
A Study in Sherlock by bendingsignpost - Ship: John/Sherlock - Word Count: 2911 - Plot: Action - COMMENTS: This is some of the very best of Bamf!John Watson. It’ll make you grin just to watch him, so entirely in character and so entirely in control. - CHARACTERIZATION: Spot On – So so squeeful. It’s all about Bamf!John, isn’t it? - PACING Quick – It’s a perfect comedy drama. - TONE Humorous, Powertrip