"Yes..." He whimpered out the word, his whole body shaking with a pleasure/frustration-induced shudder. As she continued to grind against him, she would get, every so often, a few drops of pre-cum leaking out of his cock, but frustratingly enough, she knew how to keep him from cumming.<br/><br/>He neede dsomething else to do, somthing to focus on besides the painful need to release his seed. His eyes once again were drawn to her breasts. "May I suck on Mistress' breasts?" Had his hands been free, he'd have just gone right to it, but bound as he was, that was not really possible at the moment.