So initially before all this madness happened, you two came to the understanding that you would work while she is the SAM. So you had the right to spend the money whenever you wanted to, but if she wanted to do something that maybe you didn't agree with (not talking about A) you have the power to withhold the money.
"Further more by letting her control the finances and not standing up to her when I should have we wound up 10s of thousands of dollars in debt."
I don't recall seeing this in your posts. How did she use up 10s of thousands of dollars?
M-43 W-40 2D - 9 and 5
Emotion, yet peace. Ignorance, yet knowledge. Passion, yet serenity. Chaos, yet harmony. Death, yet a new life.