Hello woe-be-gone: Well I'm not knowledgeable with regard to dreams. So I can't interpret these for you.

But, having read your introductory post, I would have to say that this may all simply be material caused by the anxiety you have surrounding your relationship with your parents.

From what you wrote, it sounds as though you're having some difficulty sleeping as well; & this could also be related to anxiety I would suppose.
I don't know anything about techniques for using dreams to change how one feels in uncomfortable situations. I know there is supposedly something referred to as "lucid dreaming". But I don't know anything about how it works.

I'd have to admit I don't set a whole lot of store by dreams. To me they're just the brain doing what it does without the benefit of the control we exert when we're conscious. Perhaps some other members, here on PC, will have some suggestions regarding how you might be able to work with these dreams. I wish you well...