Goddess Gabriella wanted to teach this guy to stop being a liar and that is why she used her facesitting fetish to dominate as well as humiliate the guy. The mistress enjoyed torturing him and she did it until she got bored. She ignored his cries of pain and made sure that he would never mess with her again by lying to her. He got the message loud and clear.
Goddess Gabriella felt that her husband was not as helpful as he needed to be. She talked to him about it but it did not change anything. The mistress had to find an alternative way to deal with him and that is why she went out of her way to dominate as well as degrade him for it. She facesat him and choked him a little and that is what prompted him to change.