My relationship is dead in the water, I broke it off last summer, but let myself talked into giving it another go. But my "partner" has treated me in ways over the years (14) that has killed my feelings for him, there's no arguing and we co-parent fine when he is here, but there's no real relationship now (His communication skills were never great and have not improved over time!)
However, I am a realist and honestly dont feel like leaving would improve my situation in any tangible way. My other-half is away a lot with work (70-75% of the year), so i pretty much function as a solo parent anyway, but a financially supported one. I would have to give up our house (which I love, its not grand, but it suits us and always saw it as our forever home) I have a year left on a degree that I have been doing whilst my kids (6&8) are at school and I run a part-time business, that is a good addition to our finances,especially for the hrs i work, but not enough to run a home on solo. However it allows me to do all the school runs and be at every event for my kids and take them to their clubs twice a week. We are far from wealthy and struggle to save much, but we dont go without a few treats.
My partner wont be home more if we separate, likely less as they would almost certainly move closer to family (2.5-3hrs from here) So more of the childcare (if that's possible) will fall to me, so it's not like I would have the time or finances to date and dont work in a job that puts singletons in my path!
I have also had 2 friends separate in the last year or so and both went toxic pretty fast, causing anxiety for the kids. My kids are genuinely unaware of any issues currently, though at least cos of unusual set up, having us live separate wouldnt be much of an adjustment. But it would be me that would less able to do things with them if we split, whilst he could spoil them and feels unfair for me to be the one to miss out on holidays and things with them, when they are the one who has broken the relationship. :(
So mostly I think staying is better at the moment, I am not in a phase of my life where I want to make it any harder, i already feel like i am juggling too many balls keeping on top of young kids, a house, a business and a degree and being in my 40's with hormones starting to go a little wild, but part of me worries a few years down the line I will regret wasting these years and not giving myself at least a chance to meet someone new (though i cant emphasise enough how much the idea of online dating in my 40's does not appeal!!)
Who has been in the same position? Did you stay or go? Do you think you made the right choice?