tips on how to move on from first bf

My bf and I (were 17, dating for a year and a half, he's my frost serious bf) and I broke up Bc his mom refuses to believe he's growing up, so she blamed everything on me, and convinced him that we're not going to work and told him he can't date rn. I hope he comes back as friends eventually. (He's acting weird, acting like he doesn't care and stuff but it seems like he does, rn he doesn't want to talk and I get it) he's come back before (we broke up once Bc fighting Bc of his mom, and we almost dated years ago and he left and came back) , so hopefully he will come back eventually. But I do want to try to move on, any tips on how to move on?