I was in couple unhealthy relationships early in sobriety. People told me to take a year off, focus on my sobriety and myself. That was good advice. When I finally headed their advice, my year ended being 18 months. I grew up. I got a solid foundation.
I know how you feel. I've seen many early in sobriety have the same experience. The end result is almost always the same. It never works out and one or both people end up drunk.
Sounds like you know what you have to do, and really don't want to. Please stay plugged in to AA and your sponsor thru this. When I look back at how I survived it, AA and my sponsor were constants in my life.