Although it might seem loathing and interesting to following this path and 'swim' in self-pity we are here on these boards not just to vent but also wanting to progress. Right? I hope so :'(
You are absolutely right. We are here to heal, the anger is a part of that, we generally find that anger is a secondary emotion, a mask for pain and hurt. I'm sorry you're struggling.
The only other option besides detachment is living a hell of a life feeling miserably, alone, ed up, not having self-confidence etc.
There are many options other than a life of hell harmkrakow. Why would you feel this is the "life" after detaching? This is actually more of a statement of someone who seems to "need" attachment. Someone who is dependent on an another to fill a void.
You fill that void. What solutions do you think you could look at that might change your definition of being detached? Let's problem solve together.
The lessons to your right are an excellent place to start, to assess where you feel you are in detachment. Take a look, where do you feel you may be?