My ex-wife defeated me as a man. Through the last 10 years she trained me into a horrible premature ejaculator by only letting me orgasm with minimal physique and visual stimulation. If I didn't cum immediately, my chastity sentence would be extended.
Would you switch places with subby hubby, knowing you could grind and hump your poor locked up dick against my perfect butt, even though you would make your permanent lock-up only worse with that?