"I have been thinking of your message about the joint bank account, I cannot stop you from removing anything from that account, short off removing the money myself or closing the account and I will not do that. That money should be left until all our martial assets are agreed upon. If you do move forward filing taxes separate from me, pretend that money is not there, I will do the same. We did agree, in front of the mediator, to use that money to pay lawyer and court fees. If you do remove anything, I would expect you to replace it? Please let me know why you see this differently."
I hope that does not sound controlling. I was reminding her of what she agreed to.