[action]
[ It's difficult to tell if he feels relief or disappointment when his hair stops being pulled, however, he is soon distracted by feeling how the other, if barely, relaxes into his touch.
And of course, there is that moan-gasp. Puzzled by it, Wolfram decides to take that as a positive reaction, which makes him keep going. Maybe, if he keeps pressing, he'll provoke another twitch and another moan. ]