Premature ejaculator gets help from his stepsister (with Sadie Holmes)

Sadie has just found out that you are a premature ejaculator. Your step sister comes to you with this information and she believes it is her job to make sure that you can cum like a normal guy. This is quite embarrassing to you. This is really a mission of mercy, Sadie thinks. You do not care what her motivation is at this point. You just want to jack it to a hot girl and your step sister will do just fine. To start things out, she takes off her tank top and your dick immediately reacts. You hope that you can control yourself. Sadie tells you just how to handle your dick and she knows that she can be helpful to you. You are stroking along and then she tells you to stop. She wants to build up your endurance and this is the best way to do so. If you feel like you might cum, you have to squeeze the tip of your dick.