Lou, Boy, do I understand the "didn't have a good night sleep wise" situation when you've had contact w/a MLCer. No matter had how you try to cut off the rewinding and replaying of the taped conversation in your head, it continues for a long time. It's unsettling, especially when he calls and tells you the things he did.
If I were in your shoes, I wouldn't initiate any contact w/him unless it's an absolute emergency or about your sons. He's talked the talk and now he needs to walk it. One never knows what is going on in their heads and when the ow is still very much present, you have to wonder...is he really waking up or am I plan B when Plan A doesn't work out? The only way that anyone can be sure that they have come through to the other side is to observe and if he is truly out of the crisis, you and/or your sons will see a more settled man who is truly working on himself to get to a better place.
As for friendship, well...that's not going to happen in a blink of an eye. Again, it's something that has to be forged and he's the one that has a lot of work to do to show you that he truly wants to be a friend and just not saying things to provide easy lip service so that he's saying what he thinks you want to hear.
Lou, for now...stay the course. You are doing great and I don't think you have anything to worry about right now. He touched based and who knows when he'll surface again. He may be like Bea's xh and just pop out the rabbit hole every now and then to see if the world still exists.
For now, wave and continue on down the street because life is far too short to sit around waiting on that old pesky rabbit to pop out again.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.