How did he force you out of the house before the divorce was final??? It is your home until the judge says other wise & even then you have the right to have time to move out - you don't have to be out the day the papers are signed or till the jugdes tells you to move. Was it his house before you married 17 yrs ago or did you get the house during the 17 yrs of marrage? If you got the house during the marrage - even if you didn't work outside the home, you have a right to be "bought" out of the house, since you were the care taker of the family.
I also don't understand the one week/one week arrangement. Where is the stable home for the kids?? Kids do better if they have stablity & routine - they can't have that with the one week/one week arranement.
As for the girlfriend... if you just moved out 2 weeks ago, this relationship starting at Thanksgiving isn't new to him... it's been going on since before you moved out. Yes, if he gets the house in the divorce he has the right to move this girl in & she will be a part of your kids lives, but will never take your place! Just like you have the right to move on, find someone else & have him a part of your kids lives, but not take the place of dad. But with that being said, if you take them to the doc - you have the right to take your "partner" - just as he has the right to take his.
Yes, it might seen really soon, but since he started dating before you moved out - it will feel that way. You are still hurt by his choose & have every right to be. Right now all you can do is ask him to respecte you and move her stuff out till the divorce is final, but understand that he has the right to say no.
My hubby & I have been married for 15 yrs and have 3 kids living w/ us & one on the way... we have an agreement that if anything happens between us, I get the house we currently live in (along w/ the house pmt - since I am the main bread winner) and the kids stay here. But he will get to pick one of the rentals we own (free & clear) around the corner (we have 3 total house on the same block) to live in. The kids will have the right to go to his house anytime, but there home is here with me. The other rental is to be used to help me with the house payment and up keep of the property & we are both to pay our own utilites, insurance & taxes for with ever house we live in. All 3 houses are to stay in both our names even if we divorce & if we ever sell them the profit would be split 50/50, but we want to leave the houses to our kids, so aren't planning on selling them. But I'm hoping that we never have to use our arrangement.
I wish you luck!! And hope you are able to find new pease after everything is said & done.