I'm 29, and I am afraid I will be stuck at home with my parents soon. It's felt like an inevitability for 5-6 years now. From where I was and have been this is such a fall so I understand how terrible that can feel. I understand that internal feeling of being a disappointment or a burden

My parents get frustrated with me sometimes and feed me advice that doesn't really help or is sometimes counterproductive instead of understanding where I am. I know they're trying to help, but it still creates a kind of conflict.
My father never forgave his mother for a lot of things so wounds can cut very deep.
I'm not sure you can be strong all the time nor can you force yourself to block out or not react to pain. Maybe there's a way to accept it and feel it without dwelling on it and trying to remove it or "think it out." I have a huge problem with that last one, stuff just consumes me as I try to solve it. I don't know, I'm not really there yet and still struggling with my own issues. I get some moments of reflection and clarity but not enough. If you find a way there before I do - let me know how
You're here and you're talking about it which is good so try to find some hope in there somewhere. The disability advice is good. Keep us updated, don't feel like you're totally alone.