Sherlock tried to huff and stay stiff, but being in John's arms made his muscles relax and he eventually, slowly, put his head on John's shoulder.

He had little doubt that John had gotten a lot of heckling and cajoling for being a half demon, but he had only had to deal with it for about 75 years or so, while he has had to deal with it for over 400. But he wasn't about to make this into a pissing match, despite his stroppy mood , so he simply stayed silent.