"Abusive relationships.

Those who have been in one will only understand this.
I'm married to a very abusive man 
Verbally and psychologically controlling you name it, we break up I leave but I always go back. Is there light at the end of this tunnel will there be one day il actually find the strength to leave for good or will I always be so weak and go back to him, where you like this? Did you get the courage to leave eventually?