Take off those clothes, young man. I know you like to resist these jerk sessions of ours, but it's imperative that I supervise you. You need to learn to stroke yourself properly. If you can't control yourself, how will you ever learn to please a woman? This is necessary training so that you become worthy of a woman one day. Now, get in position! I won't have any sloppy posture or lazy jerking. You'll tug that thing exactly as I tell you and will cum on command as I count down, as usual. I won't take anything less than perfect obedience from you, young man. Let step-mommy tell you exactly what needs to happen...