His eyes almost snap open because that leg, smooth and gently pressing between the both of his, is like a spur in his side, just enough of a reminder for him to really snap back to the moment and realize who he has underneath him, naked and willing and wanting him. That reminder descends quickly, fast enough for her to feel the hard evidence for herself as he practically feels himself stand at attention, like a lustful teenager. He groans, burying his face against her neck, and his fingers are trembling as he reaches for the lead button on his trousers.