If you are away from him and in a safe place.....then your work is done.
Co-dependents have an over active need to be Responsible for Everything.
Read the sticky at the top of the page "Brain Chemistry of a Loved One"
I think that might be what you are feeling. You are out of the situation.....but whatever he's doing didn't end.
So, somehow in your mind...you think there is more work to be done. Yes there is,
Within yourself dear.
We only have to remove ourselves and children from danger.
If you want to right a wrong, do the work on yourself to make sure you don't choose other people like this in the future.
That would be a living amends to yourself and the people you love.