[The doctor looks rather insulted- and perhaps to little surprise when Jonathan cuts in.]

Sherlock, we've a standing agreement- I visit here on a regularly agreed upon day.

Aye- We already suspected we would have more than fits in the usual lunch carrier, but if you're looking for an excuse to find something fresher you can find the door!

Now I'm sure that's not what was happening...

[Though Sherlock does receive a bit of a pleading look- Don't cause him trouble!]