Fucked-up people will try to tell you otherwise, but boundaries have nothing to do with whether you love someone or not. They are not judgments, puni… - Cheryl Strayed

In spite of the complexity of your situation, it's notable that you didn't waver when it came to what you know to be the right thing to do. That's because you know the right thing to do. So do it. It's hard, I know. It's one of the hardest things you'll ever have to do. And you're going to bawl your head off doing it. But I promise you it will be okay. Your tears will be born of grief, but also of relief. You will be better for them. They will make you harder, softer, cleaner, dirtier. Free.
A glorious something else awaits.

Being near Tom and Doug at night kept me from having to say to myself I am not afraid whenever I heard a branch snap in the dark or the wind shook so fiercely it seemed something bad was about to happen. But I wasn't out here to keep myself from having to say I am not afraid. I'd come, I'd realized, to stare that fear down, to stare everything down, really — all that I'd done to myself and all that had been done to me. I couldn't do that while tagging along with someone else.

I never got to be in the driver’s seat of my own life,” she’d wept to me once, in the days after she learned she was going to die. “I always did what someone else wanted me to do. I’ve always been someone’s daughter or mother or wife. I’ve never just been me.