He listens like nobody I ever knew. His little body goes into a kind of hibernation. The long eyelids half close. Not a frown, not a nod, not so much as a raising of the eyebrows until you have done. And when you have done – and he has made sure you have, by holding you to account on some obscure point you have omitted or fudged – still no surprise, no judgemental moment of approval or the other thing.