I've been thinking the same thing. I was expecting him to make another appearance which could have led to possible scenes with him, Stacey and Whitney but it's been months. And now that Stacey has developed a relationship with Martin as well as expecting a second baby along with Whitney moving in with the Carters, I get the feeling that he's not coming back afterall.
Maybe he was meant do but plans changed? I still don't know. I would have liked to see him again but I just can't see it happening right now.