Quoting teenmomof3tobe:" I've been with my bf for 6 months. He's been great. I thought he'd make a great dad. He has a great career. ... [snip!] ... so bad. But at the same time, I feel like would having another child be selfish to the children I do have.... Anyhow advice??"
You should do what you consider the right thing for you, Kick that man to the curb, And then really think about whether an abortion or keeping the baby is what YOU want, Don't let the fact he's a lying deadbeat be the only reason you make the decision, Decide for yourself what is best, And what will work.
I have almost 5 kids (5th is baking) and 3 dads, It's not ideal, But it happens, And it's not the worst thing in the world.