You likely won't get everything you want, but you will get access to your children which is more than you have now.
You know, sometimes we work on ourselves because we're the ones that we can change, but sometimes it's just about the other person. I think something flipped in your STBEX's brain and she's just at a different place than her marriage now.
You could have been the old spice guy and she would have still run screaming. That's what she needed to do: run screaming.
You will have access to your kids after DDay and you will have the backing of the people of Texas to enforce it.