You have been going to the gym to see a personal trainer for the past few weeks. The only reason you have been going is because you love pain. You’re a personal trainer is upset with you because you have not made any progress. He figures out exactly why you are there and he is going to see just how unfit you really are. You have to last without cumming while he stomps on your balls. He aggressively makes you sit on the floor, take out your balls and looks at you the grading you while he does it. He makes you last until his final countdown to cum.