Two blokes couldn't catch a bite nowadays or what?
Here John had been friends- no, acquaintances- with Sherlock for less than three days and the owner of the shop thought that they were together? Together together? And the owner of this shop knew Sherlock, so how did he come to the conclusion that Sherlock and John would be dat-
Oh.
Oh, was it going to be this way all the time? If Sherlock was gay, did that automatically make for assumptions that John was his boyfriend?
Shit. Yes, it did.
And here's the beginning of every single innuendo-ed joke in the book. Poor John. :P