Mistress Gaia needed to degrade this guy and she did it because he thought that he was better than others. He was not and she had to put him in his place. The mistress felt that the best thing to do to him was to to crush and dominate him and that is exactly what she did. It was fun for her and she was able to make money out of it.
Mistress Gaia did not want her paypig to ever be broke again because she did not know when she would need some money from him. She chose to trample him and make him lick her soles for him to know what she wanted and the pain and humiliation of it made him get the message that she was trying to put across. He agreed to it and never let her down.
Mistress Gaia needed money from her paypig but he did not want to give it to her. She had done a lot for him and she felt entitled to it and that is why she had to make sure she got it from him. So she used her sexy charm to turn him on and in no time, she had turned him on and she controlled him. That is how she had fun making money from him.