Just looking at divorces in my family and in friends’ I think you are smart to hang on. For some reason it seems that the age of the child, and the level of maturity, are important.
I agree that the age and level of maturity matters, but but but...it is hard to attach the actual "divorce" to children's behavior when oftentimes the lead up to the divorce is what causes the real stress. I was a PERFECT example of this. In the several years following the divorce I was a mess - I got involved in all kinds of risky behavior during my mid-teenage years. From the outside you could attach this to the divorce, but that is the easy out and misses the majority of the issue. My relationship with my father was MUCH improved after the divorce and in all honestly a lot of my behavior was related to having to move schools at the start of high school and starting over with knowing no one (something that would have happened anyway due to my parents employment situations).
The stress of the lead up to the divorce was terrible. The anxiety - that "chill" in the air - as a child I could feel that. Much like the OP, I also never saw my parents cry and while I did hear some arguing in the beginning, for the most part my sibling and I saw and heard nothing. Conversations were had when we were not at home. I do recall being allowed to stay at my best friend's house more often than usual for a time, and I now know that is when my parents were having it out so to speak. But, especially as a pre-teen, I was totally aware of the unspoken stress in the household. I could just sense it. Things were not the same. And perhaps the OP's child can also sense the calm that comes with the POLF on the part of the BS?
At any rate, I put little into statistics regarding divorce, to the extent IMO it's not the divorce itself that does the long term damage. It's the lead up to it and how parents deal with it in my case that left me in such a mess. Moreover, there aren't any statistics I'm aware of regarding staying through infidelity and its effect on the kids. I can only look to my WH as an example of someone who had parents who stuck it out for 4 years post A discovery (his farther had a 5 year A) and who divorced the summer of his graduation from high school....and he is not the model of a well adjusted person. Although on the outside, in his teens, while his parents were together and thee kids were "unaware" of the infidelity, on the surface appeared to be well adjusted, did well in school, none of the outbursts and crazy behavior I had, and appeared to have a successful childhood. Yet he has been in therapy for 4+ years dealing with his difficulties with addressing conflict, his desire to live in fantasy, his disassociative events (which have subsided largely in the last 2 years), his inability to be honest about simple things, and his incredible desire to control the outcome via manipulation.
He now admits that he was aware of the tension in his parents house even though he had no idea infidelity was the cause of it, and that he often walked on eggshells to avoid stepping too close to that tension. He spent a lot of time in his room playing video games to avoid his parents as his father often seemed irritated and his mother was almost robotic in that she tried so hard to pretend they were a happy family - and that it felt forced. He would have argued with me for eternity that his childhood was a happy one before, but to listen to him tell it, even 5 years ago, it never sounded happy to me. It sounded plastic.
That is where he and I are the same - I also do not recall my parents feeling happy. There were few examples of love or affection between them and as a result I think I simultaneously craved that romantic ideal, and recoiled from it. My WH has inadvertently modeled what he believed to be acceptable behavior to that of his father - a charming narcissistic person. He still struggles with not just shutting down and keeping problems to himself - therapy has helped immensely with that but he now relates so many of his issues to his childhood and to life after his mom discovered the A.
It's all anecdotal evidence I know - but I don't think many people are able to shield their kids from the aftermath of an A as well as they think.
[This message edited by ThisIsSoLonely at 6:13 PM, Tuesday, May 21st]