I'm always a little bit worried when women get flustered about open-ended questions about their relationships. Primarily because I used to. When I first met my ex, if anyone pointed out the obvious (nothing in common, ill-matched, unhappy, etc), I used to be terribly offended. Odd, really, because I don't get upset at all when, for example, my boss tells me my work isn't up to it's usual standard or if a friend and I disagree. I certainly wouldn't care if a stranger offered me advice I decided not to take. But then I might not ask for it.
I came here some time ago, in a completely shocked state, full of questions about my then relationship, which I had been desperately 'working at' and 'fighting for' for ages. The advice I received enabled me to understand - for the first time in an eight year relationship - that what I was experiencing was not 'ups and downs' but abuse. I genuinely didn't know, and I am far from daft, that It was abuse and at that point, I felt jointly responsible for the intense emotional, financial and psychological abuse I was subject to.
When he later physically assaulted not only me but - for the first time - my son (while the other, then 5, banged him on the back and begged him to stop), I felt utterly empowered in leaving, staying away and bringing the full weight of the law down on the vile abuser. There was no confusion, no co-dependency and no going back. I think he got off blooming lightly but he'll never work with kids again, thank goodness.
I will value the advice I received here always. I don't recall anyone, ever, directly telling me to LTB and I was treated fairly and with kindness.
I'm not saying this is applicable to you at all but I am personally very, very glad I took onboard what I needed to. This is a forum. It's like a buffet of experience. Take what you want and pile it high.
It's just, for me, I also got what I needed.