Boyfriend doesn't want to marry me because of debt

I made a lot of mistakes when I was younger and it put me in severe debt. I have a child who lives with his father. He got taken away because I used to have a drug problem. Me and the father have talked and he does want me to be a part of his life, especially since I'm sober now, but he wants to take it slow. Supervised. So I'm going down there for Christmas. I'm behind on my child support payments so that also doesn't look good. Me and my boyfriend have been together nearly 3 years and when we first started dating I wasn't really honest about my date and child support payments. He found all that our 1.5 years into it. I discussed marriage yesterday and he says he really doesn't want to take on my debt. I understand that he has good credit and why he wouldn't want to, but I'm still really upset I may not ever get married. I love him so much and I was hoping for a wedding one day. He also has an issue with my missed child support payments because his sister married someone who was behind on child support and they started taking money out of her check. I didn't even know that was a thing. Idk how to fix my debt and idk if I can stay with someone who won't marry me, but honestly would anyone want to marry someone like me who's in so much debt😔😔😔