OK, I should have mentioned what she's doing. Daytrading stocks, options & futures. I don't event think that is a business but that is what she calls it. I call it gambling and nobody ever makes any money at it. She thinks she can make more than I do! I've told her if she hasn't figured it out after 6 years, she never will. She said it is more like 3 years, since she spent a lot of time of her other wasted "venture," her podcast. 3 years, 6 years, quit wasting time and money!So for her venture that is losing money -- have you sat with her to have her explain the books to you?
IS the gross starting to creep up to maybe FINALLY surpass the costs? Have HER show you where/when she expects it to start turning profit. Tell her you are interested in the business (and you should be since SHE is involved in it).
Maybe she IS just about to start turning a profit.
As for the other stuff -- do you have a running track record of all expenses for your family for at least 6 months? THEN you can sit and discuss the costs, etc. that you both are paying for, and if you think it is too heavily on your side, then TALK to her about it.