I (M/27) finally broke up with my girlfriend (F/38) and dont know what to do now

She is an absolutely amazing woman and we´ve been together for multiple years. Whats the problem then, you ask? Well, shes quite a bit older than me and has multiple kids (her ex was a cheating alcoholic, thats why she finally broke up with him after more than 15 years).

I want to keep this part short: The kids have been a problem pretty much from the start for me; no matter what, I just couldnt accept them. Obviously there were better and worse phases, but there was always this small voice in my head telling me "You dont want this if you are honest".

Obviously, she could tell that I "disliked" her kids / couldnt accept them the way she hoped me to, which caused more and more fighting between the two of us. It got to the point where we were having like 20% happy time together and 80% fighting or just bad mood. Often times I didnt even want to meet her anymore and just stayed at my place alone, because I´d rather not meet her and the kids.

After our last big fight a couple days ago I told her I dont want to see her anymore, its over. A few minutes ago she texted me "Is this the end? Are we over?" and I replied "Yes.".

Now i am sitting here, and dont know what to do. A part of me still loves her and always will. I also know that she somehow still loves me, for whatever reason. One part of me wants to drive to her place and just hold her in my arms, the other part of me just wants to be alone right now. I dont want to see or hear anyone. I dont even know what to do. I just feel empty.