He's a fast learner, always has been, and she's a surprisingly good teacher, patient, her hands in his hair both guiding and coaxing. However new this is, however strange and impossible everything about this would have seemed such a short time ago, in the moment his focus is elsewhere entirely. And the first time she gasps out loud, shudders as her grip tightens to the point of pain - that moment he feels satisfaction for the first time since he removed his helmet.