Mistress Medea felt that her driving instructor was very strict on her and he was in fact unnecessarily strict and she did not like that. She wanted him to be human to be fair to people instead of looking like he had beef with them. So she made him eat her shit and drink her pee in the process. He was shocked at what the mistress did to him and agreed to change.
This mistress always come home from work tired. She loves and cherishes her peace and quiet but this guy does not like being quiet. He is always making noise and disturbing her peace. She was not ok with it and she had to make sure that he learned his lesson and that he changed. That is why she chose to shit on him to make him change and stop being noisy.
Mistress Ann wanted to control this guy. She felt that she had to control him by all means and that is why she went straight to scat fetish and she degraded him in a way he had never been before. He was shocked as he was made to eat her shit but the mistress did not care about him and his wellbeing. He had to eat her poo and let her control him.
Princess Brooke needed to fill this guy's face with her shit and that is why she chose to do what she wanted to him. She bought pizza for dinner but instead of giving it to him, she made him eat her shit after she had eaten the pizza. She filled his face with her shit and there was nothing he could do about it except eat all of her poo.