first, withdrawing from everything/everyone is a normal response but it doesn't seem to help in the long run

Please keep posting, tell us more of what is going on.

So you're a jigsaw puzzle , pieces everywhere.
For me, when I solve a puzzle first thing is to find all the pieces. Before trying to put yourself together - try to calm down and accept the pieces.

Can you communicate to any of your parts? Do you have a T?

sorry i'm not more help