breaking up during pregnancy 💔

My child's father and I broke up with me when I was 4 months pregnant. He said it was too much for him to handle.  I'm 6 months pregnant now and he constantly wants to keep communicating with me. Always texting and calling. Always waiting to see me and kiss me and hold hands and etc. However he doesn't want to be in a relationship only friends, I don't wanna be friends with him. This is seriously the biggest heartbreak ever I ever been through I feel completely alone in my pregnancy. I do wanna be in a relationship with him I don't wanna settle for just a friendship. I'm don't want my baby to grow up in a single parent home. What should I do ?