Gan, aside from the $ question of what/how to do -
The things you and your H cited for reasons to S -
What do you believe has changed in you/the dynamics you'd create that would give him reasons to hope or give your M a try, to R? Not a sarcastic question, promise! But I would love to see a list
What about the things you'd want now from him?
Outside perspective - 8 months is a lot of time. I get the general feel that not much will change here at this point and you will have to be a catalyst for change in your sitch when you are ready for it.
Mid 30's Psych-abusive M with violent tantrums from XH D 9/15; NC forever on