My bf dumped me 10x, Should i go back to him?

I’m 20F, he’s 19M. We’ve been dating for 10 months. We’ve grown super close — like, ridiculously close. From the very beginning, we were talking about the future together and making plans. But there was a 3-month period where he was mentally unstable due to some personal stuff, and he kept breaking up with me — like once a week. His usual reason was: “You deserve better” or “I’m not good enough for you.” I always forgave him, and we’d get back together. Eventually, that phase ended and everything went back to being really sweet and stable.

We recently introduced our families, and my mom didn’t like him or his family at all. She straight up told me I can’t be with him. So I kept seeing him secretly, and things were still great. But the other day I started venting again about my mom stressing me out, and he suddenly broke up with me again, saying, “You should be a good daughter. Our families don’t match. It’s not going to work.”

Now I’m stuck. He really is a good guy overall — caring, attentive, affectionate. He doesn’t have much money, so I’ve often been the one paying for things. But when he does have money, he spends every bit of it on making me happy.

So… I don’t know. Is he just a toxic guy who keeps running away and I should finally stop forgiving him? Or is this just part of being in a relationship — that people aren’t perfect, and if he’s good to me day to day, maybe I shouldn’t throw it all away?