Pregnant , stressed , overwhelmed & stuck

I have no money no car no job

I take care of my 2 kids an I’m currently pregnant I need to leave this relationship an I don’t even know where or how to start I feel stuck. I can’t do this anymore he needs rehab seriously he comes home an acts like I don’t notice the change in him he’s making me feel crazy and not to mention he’s trying to make me look crazy to everyone by saying I’m making shit up and that he isn’t doing anything. I dont even know what to do at this point I can’t think clearly an on top of it all I have things going wrong with my body I’m constantly back n forth to the hospital and im under medications it’s one giant fucken mess and I’m breaking I am seriously breaking I have lost it I drove myself crazy because of the situation it’s entirely my fault for even fighting I give up fight is over there’s nothing left to hold on to anymore I choose sanity this time I faught for to long for nothing. Now what?