Is what you are suffering from analysis paralysis? Not that I have any advice’s on that aspect, I never heard of the concept before.

On the other hand, in time you could send a new message to your family to explain why you said you cannot forgive them. Not an apology, just another calm explanation. It might be enough to rebuild some links. Even if they are not that reliable enough, in your situation it is better than nothing. Maybe they had reasons for not helping that they’ll explain when the time comes.

I hope you’ll get better.