Sherlock let go, staring John in the face. Him pulling away? John was the one who had insisted on getting a job, even though Sherlock had said that he would have plenty enough for both of them. He didn't say any of this, he bit his tongue, holding it back.

I never said I didn't want to go. You assumed. You do that a lot, assume you know what I want or what I am thinking, when I can assure you that you do not." He was a bit more acerbic than he meant to be, but what he said was the truth.