Seriously loosing my mind.

I'm not sure what to do anymore it's driving me insane my boyfriend who I been with for a year is going to start working 12 hour shifts over night 5 days a week and his other job on the weekends just to help his mom with her mortgage electric and car insurance plus on that he has a car payment I didn't feel comfortable living with her when I can Manage my own bills at my own place I told him he should just move in back with his mother and we go our seprate because he has a past of talking to other girls and cheating on me when doing jobs like this it's driving me crazy he complains because I say how sad I am and such its like he doesn't care anyways because he could careless how I feel