Feelings about being a single parent before delivery ??

Well a child is never a mistake but the man Mayebe is. My mother asked me did I still wanna have his baby but the man is irrelevant and the baby is here so there is nothing that I can do . I’m 6 weeks today . My mind is racing every where . I wanted to be pregnant so my son can have a sibling but the relationship seems to be going down . How can I make this the best pregnancy? I don’t know what to do . I def can’t have an abortion ever again and I’m not