I'm sorry you're having to go through this. It's not your fault, though. His actions can't be your fault. Make as clean of a break as you can, as quickly as you can. Don't take his calls, answer texts, etc. If he has access to your bank account, change that. If he knows your passwords for email, Amazon, Netflix, whatever, change them.
Once you make the break and separate him out, then you'll have time to sit and really assess where things are. Sometimes a creditor will be willing to work with you to restructure your bill payments, for example. But you can't deal with that sort of issue while you're also dealing with the more urgent issue of getting space between you and him.
Take a few deep breaths, and try to just go one day at a time when things get really stressful. If you need somebody to talk to, my inbox is always open. I'm willing to just listen, or give advice; or both, depending on the situation.
