I become easily overwhelmed Skull&Crossbones.

You are functioning much better than I am currently.
You are a bit like my old self some years back.
Look after yourself.
It is hard the way other people treat us. It re-traumatises us.

Loneliness is very hard too.
I went through a long spell like that
The grief process takes time
I regret that I spent too much energy looking back
And not enough moving towards acceptance
And when I did accept it as the past (not easy at all) I felt much, much better.

Ruminations were hard for me. I sometimes use the tips in the link below, if this helps

9 Ways to Free Yourself from Ruminations

Many people care here and do suffer the same
Big hugs