I agree with Happy Pooch. Try to let this go. You contacted him a month ago and had a conversation about the past. “He tried talking to me normally as if he wants relationship back” Did he tell you he wants to re-enter a relationship, or did you assume that just because you were talking “normally”? He’s told you repeatedly he’s busy and needs time and will get back to you. I realize that’s disappointing, but I don’t think he could be any more clear about what he wants and needs: TIME. Let him have it. Although it would be nice if he would be more direct and tell you he doesn’t want a relationship (if that’s the case), at the end of the day it really doesn’t matter if the reasons he is providing are “excuses” or not. He will contact you if/when he wants to. Let it go.