Hello, BlessedGirl, and welcome to Psych Central!

Of course, I am only hearing one side of the story, so I can't say what is going on in your boyfriend's mind. But if he is gone and hasn't been in touch in two months, then I'd certainly think he is running away from his responsibilities. He still sounds immature, and if he lied to you about having a job, then he is not trustworthy either.
I'm not sure he is ashamed of his lies. As I say, I don't know what he is thinking. Right now, though, I think you need to see what you can do to make plans for yourself and your little one. Would your family be supportive? I don't think you can count on his coming back. I hope he will, but......