Watching you stroke my cock is getting me hot. I want you to kneel and look over my shoulder. I'm going to masturbate, but I'm going to keep myself out of your line of sight.
You will stay on this page for 10 minutes and stroke constantly. No stopping. You don't get to look, but you get to imagine what me fingering myself would look like. Remember, your mistress is entitled to pleasure. You are not.
While you stroke, you little whore, I want you to constantly talk dirty about yourself. Say what you are and how lucky you are that I treat you like filth.
Move on when you're done.