I would also look into one of those safe houses/shelters to go to in case he gets any ideas about making trouble at your mother's place. It also sounds like she's a bit critical of you, which is not what you need at a time like this.
The world opens up... when you do.
Oh, oh, can't you see? Love is the drug for me. ~Bryan Ferry
"Love is that condition in which another person's happiness is essential to your own." ~Robert Heinlein