Okay I need some advice:)

Me and my boyfriend have been together for 3 years, he's had a few jobs off and on and hasn't really been able to keep them, I have been working at McDonald's for a year and a half, I pay the electric(200 a month) the water(20.00 a month) and get the groceries which is probably three or four trips a month there, and I get food stamps but right now I'm only getting 60 dollars and I get wic, Our son will be here in 6 weeks, and he has failed to yet still help me and expecting me to take care of everything , our truck is currently broke down and needs a part for it for it to run again which I think is only 30 dollars he's had money quite a few times since the truck has been down and out and hasn't once worried about going over and getting a ride to see about the part, I could go on and on about my stressful life but I could leave it at that!All he tells me all the time is I repeat myself everyday day in and day out, well why wouldn't I I'm doing everything by my damn self while he sits around and has it easy, I have to go to my aunts and stay closer to the time I'm due so she can take me to the hospital when my water decides to break, I honestly feel like he's never gonna change and i don't feel like I should have to wait for the birth of our son for him to want to do something, I feel like if I've done it by myself for this long I might as well become a single mom!I feel bad for him because he lost both his mom and brother at the same time in a car accident going on almost three years now and he still hasn't coped with the loss, I understand that but I shouldn't be this stressed, I haven't been able