This site is probably the most helpful one you could stumble upon when it comes to thinking strategically and psychologically about a (potentially) high-conflict divorce. 
A lot of us tend to self-sabotage in our divorces, suffering from low self-esteem like you mention. That can also mean wavering about  whether to walk away or stay. It's a hard decision. 
If you're dealing with that yourself, this article about the psychological stages of divorce might help: 
https://bpdfamily.com/message_board/index.php?topic=271676.msg12577883#msg12577883Talk to us, let us know how we can support you, whether you're done or just trying to figure it out. 
LnL