Mistress Isabella could tell that her sister was struggling financially and so she showed her how to fish instead of giving her the fish. The mistress showed her how to use money slavery to not only have fun but to also make good money out of it. It turned out great as her sister was the outgoing kind so it was not hard for her to try it out and excel.
Goddess Harley was out to punish this guy but she realized that he could not handle what she wanted to do to him. So she changed tact and she financially dominated him. And that is how she laughed all the way to the bank with his money. He wished that he had never met her leave alone pissing her off. But those were just wishes and he had to face the consequences of his actions.