"Ah--" His eyes slide closed as Ivan causes an abrupt shiver down his spine. Maybe if he keeps his eyes shut he won't think as much about the other man in the room. Not that Ivan will let him and David finds himself tilting his head to the side so the man can reach every part of his neck.

"Yes, of course," he murmurs. Nothing else Ivan has done would make him think otherwise, this is the man's profession. He takes a deep breath through his nose as he focuses on Ivan's movements and adds his own fleeting touches down his abdomen. Slow and teasing to build it up, like Ivan had shown him.