[ When they first got together a lifetime ago, it was the searing heat of a living body that overwhelmed him and then, a little later, Jack with his larger than life deal. Lately Spike has felt like maybe he's getting used to it, maybe he's mellowing out a little with that whole deal and then this happened and he's right there again, betrayed by his own breathing, beating body.
He feels his skin flush at the attention, fever hot though probably just a normal warmth to a normal human. Moaning softly he tilts his head to the side, giving Ianto more room to explore. ]