Your lawyer will have some advice. :nod:
If she is going to fight with you, do not sugar coat anything. That was the hardest part for me. My xah was blustering about so I felt like I had to put it all out there (didn't trust him) and so I did. I laid it all out there and he went ballistic when he saw the legal forms. It was a really hard thing for me to do.
I was petrified for the same reasons. I am the mother, but I worked full time and my kids stayed home with xah so for the kids, that was status quo. In the end he didn't even fight with me about it.
Keep doing the next right thing. The way I looked at it, I just had to keep doing that and let go of the outcomes. It was hard. Wishing you strength, courage, and a good lawyer.