...odds that I will have full custody in about 3-5 months because she is going to start spiraling faster now
Congrats, Viking...I remember posting to you when you were going through initial separation...It is SO CRITICAL to have AT LEAST 50/50 custody from day 1 of separation, since the STATUS QUO is SO IMPORTANT, plus to document it in a journal in handwritten ink.
That is what I did in my D 7 years ago, and I got 50/50.
Regarding what will happen in 5 months...You may be right, but don't let it go to your head...My 50/50 lasted almost 2.5 years before my XW decided that she wanted to have a carefree lifetstyle and take a job that required a lot of travel...Eventually I got full custody, but in the meantime, remember the following:
(1) This is not JUST about you. The KIDS deserve 2 parents equally...
(2) As a parent, you need to continue to respect your XW as a parent who should have an opportunity to continue HER parenting role, even if she was responsible for breaking up the marriage and started out on the wrong foot during the divorce.
(3) Your XW may suddenly clean up her act with respect to responsible parenting, if she realizes the impact of missing being with her children.
(4) Every time you go back to court to modify custody, it may create more stress on the children and more stress on the parents, which rubs off on the children.
(5) For healthy co-parenting, regardless of your XW's behavior in the coming months, you need to be a ROCK and I would recommend being as GOOD OF A PARENT, don't poison the children's minds towards their mom, as SUPPORTIVE as possible of the kids and their needs to see BOTH PARENTS, FLEXIBLE AS POSSIBLE with respect to sharing and exchanging custody, provided the children maintain stable lifestyle and regular schooling.
(6) When the status quo DOES change, gladly offer to pick up where your XW leaves off by increasing your custody if she asks you to fill in more and more days beyond 50/50. Let things go like this for a year and see where it settles out. 6 months is too brief. In my case, I let my XW have the traveling job, agreed to 10 days out of 14 with the kids, and even beyond that kept the kids on the 4 day weekends she was off work because she traveled out of state to see a bf, or went on mini-vacations all the time with him. After 1.5 years, I went back to court with a journal full of documented 97 percent custody. There was NO DISPUTE at all, and at that point, NO TURNING BACK.
(7) Don't resent your role as the full time parent if that is how it turns out...Resentment will make YOU tired and any attitude will rub off on your kids, which you don't want. With 50/50 custody or with full time parenting, you will be very tired at times. You will find it hard to put in as many hours at work as you used to, you will have to take partial days off for kid-related things. But what is important is the BIG PICTURE...the balance of your life and the balance of your children's lives is that you maintained a GOOD home for them to ensure their security and healthy development for the future.
(8) Meanwhile, enjoy doing activities, but don't spread yourself too thin...you are in this for the long haul, not to be a hero in the first year of full time parenting. Heal yourself from the recent events, plan for the future, and enjoy the present with your kids.