Step-Mommy is so disappointed to have caught you masturbating, but she recognizes the opportunity to have a teachable moment with you. step-Mommy is worried that if left to your own devices, you will develop bad masturbation habits that will ruin your penis and make you unable to give pleasure to your future wife. Therefore, step-Mommy has decided to show you the proper way to jerk off by demonstrating on a dildo how to control your stroking in order to mimic the way sex with your future wife will feel. Halfway through her clothed JOI, step-Mommy unbuttons her blouse and lets you see her breasts while you stroke. This is in order to train you to be able to cum just from looking at a nice pair of tits rather than ruin yourself with extreme pornography that will ruin your ability to be turned on for the woman you eventually marry. step-Mommy will train you to need nothing more than a nice pair of breasts for visual stimulation. You need to learn to hold your orgasm until your partner cums first, after which you have exactly five seconds to bust your nut. step-Mommy's strict JOI will help you become, if not a great lover, at least one who is not a total disappointment to your future wife.