Ianto leans further into the other man's side, bumping him lightly with his shoulder as he does.

"My expectations," he repeats, dryly. "Well done, putting it like that... Like it's just one step away from some set of demands I've laid on you.” Tell him how you really feel about it, why don’t you?

Which is pretty much the crux of the matter, as it stands. Ianto is acutely aware John hasn’t really given him much of an answer to his own desires in this, beyond an arm around his shoulder and the reassurance that he doesn’t want him to leave because he appreciates his jokes.