Short description: Tia does not want PD to be unhappy. He can be cruel even in the best moods, but if she displeases him it will get so much worse. Things like multiple orgasms are intense enough to suffer through, but when Tia is commanded to do it in silence she does not stand a chance. Normally PD would just gag her with his cock, but today he is feeling especially cruel. Next time she not fail him.