8 weeks pregnant and alone

So, my husband and I divorced a year ago. We have a 7 yo girl. We got back together a few months after the divorce was finalized, and things were going great, and we started talking about having a second child. He was super excited about the idea until it happened!! Of course... anyway he changed and started ignoring me and being a real jerk, and based on our past issues I realized he ain't ever really going to change and I'm wasting my time. I am 8 weeks pregnant, and I have ended our relationship, and have no interest in making it work. I had always envisioned having a happy family, but this man is hopeless.... My only worry is now I am alone with 2 kids, not sure I can financially support the 3 of us, and I might be alone forever because who's going to want me now? I know I'm probably being dumb or maybe the hormones are making me feel this way, but Has anyone been alone during pregnancy, and had multiple kids and still found a good man to be a part of it?? I'm just feeling hopeless.