Femdom strength training for weak slave

We start with 2 sets of 10 pushups. I place one of my platform heels firmly on his back and press down to apply extra weight for Kitten to fight against. He'd never get strong just doing normal pushups. I'm not sure why, but he can barely complete 10 of them without collapsing. Whenever that happens, I lose count and have to set him back a few. He is exhausted by the end of the pushups, but we have to move on. Next, he is made to do some encouraging sit ups. My huge, perfect ass awaits his nose at the apex of each completed sit up. This seems to work, as Kitten is driven by the reward of smelling my sweaty asshole every time he comes up. I'm glad to finally be knocking some sense into him. After that, it's back to the heavier work. I sit on his back and make him push me up with his arms on the couch. It is a grueling test of endurance, in which Kitten unsurprisingly falls short. I laugh at him weeping and complaining about sore arms.