Keep in mind, I am D, and X and I have NONE of the playful banter I read about around here.
One. Set up better boundaries; I know you've tried, I've been reading a bit of your thread. Without boundaries, he is going to come and go as if nothing if different. And right now, nothing is different in his mind.
Chances are he really does not know what to do and is likely looking to you for some hint, movement, etc, but I imagine you do not want to fall into the same traps as before.
Excuse my American ignorance, you would think from my time in the UK, I could sort it out. But what the devil is dd? I know it relates to daughter.
When you need help, ask. Men are NOT good at picking up clues. If need something, ask, we will do whatever we can within our ability.
I know I get frustrated when someone says, did you do so and so or I thought you were going to do that? If we do not know, we cannot help and I feel it is not fair for someone to complain after the fact.
Trust me, he is confused. But has no idea how to handle the new situation. It will take time and mistakes will be made. And be more vaque. He may not want to be part of the equation, but he wants to know what you are doing.