Is it working? When you ask him to call and let you know where he is? If it is not working, and it doesn't sound like it is, from your post, STOP doing that and try something else.
What I found was, in the first 2 years of my H's MLC, asking him to call me when he was going to be late, just didn't work. I think it can drive them further away because they begin to think of us as their mother and want to rebel.
Try not being home when he gets home. Try, calling him and telling him you are wearing something slinky. Go meet him for drinks. Do something different.
" Its true they need space to resolve their own dealings, but i feel my h isnt resolving anything... he is avoiding his conflicts, living day by day, feeling the way he wants to feel day by day, without any consideration for me...!!... So... we can give them space... but we also can expect validation, comunication and consideration...!!... "
If your H is in MLC, this takes a long long time and they are too self-centered to care about our needs at all. It's just seems like more of MOM nagging and they are more likely to rebel.
Treat him like you would a teenager.(Well, I mean you can't take away his car, LOL)
But you know that they need love and understanding even when they behave horridly and nagging just doesn't work with them. You have to find creative ways to get them to "toe the line".
You are clever Andrea, I know you will come up with something. Direct confrontation doesn't work with an MLCer. They can't see you or your point of view.