This guy had tried to con these mistress and since he had done it to many others before, he did not believe anything could go wrong with these mistresses. But he he was wrong as the mistresses could tell what he was trying and they lured him to where they punished him for being a con. He decided to stop being a conman as the mistresses forced him to drink puke.
This slave had messed up and her mistress was tired of forgiving him. He had to realize there were consequences for all the mistakes he was committing. The mistress forced him to learn from his mistakes by forcing him to drink her vomit. She had gagged herself and she had vomited and all of it ended up in his stomach. He had never been degraded that much and he changed to avoid it changing again.