Mistress Iside was out to punish her husband with her farts and that is what she did because she felt that it was ok after what he had done to her. She was not ok with being lied to and she had to put an end to it. So she felt that the best way to do it was to fart on him and even choke him with the farts.
Mistress Iside wanted to teach her boyfriend never to ignore her and that is why she had to punish him with her farts. She did not want to inflict any pain on him but she had to make sure that he was humiliated so as to learn his lesson. So she went ahead to make him lick her ass and before she was done, she farted on him and he had to smell it.
Mistress Iside had a roommate she wanted to dominate and she felt that the best way for her to get back at him was to make sure that she farted on him so that he would never take anything for granted. He did and it pissed her off and it all had to end today. After being teased and brought down to earth with her farts, he acted like she expected.