[Tilts his head to the touch in his hair, his eyes closed and breathing out a little, just liking any excuse Kamui can find to touch him again. Leans his forehead against his in turn, his hand tracing up his back absently]
Definitely can't call it an impulse. [Especially because he's fighting back against that gnawing ache, that feeling of loss, that feeling that he needs to push away just as much as he wants to hold him near. He resists against that. No, why would he want that?]