Lucius could feel the reaction of the dark haired boy, for it mirrored his own. That was a good thing, he decided. Very good. It meant that Severus was enjoying this too, hopefully as much as he was.
He had to pause for breath, but he didn't release his hold on Severus, smiling at him, as if he'd just discovered the most valuable item on the planet. Still waters did indeed run deep.
"You kiss very well, Sev," he said softly. "Very very well....."