You're right, logic loses out at the moment.
Pretty much, whether you were paid under the table or not, whether you worked extra or not, whatever, she would most likely have gone through a mlc herself. Who knows to what extent? It's more than likely what you said in your last paragraph that tells what the biggest problems were in your M.

Since you are S, and living with your family, it isn't likely you could leave the book out for her to see, so the only way to have her see it is to have it in your car. But, giving it to her to read most likely would not work, and could backfire.

vc