I know you are scared about how you acted when he moved out, but you can't change the past. It's gone. We all had our days of crying, begging, pleading, etc. in the beginning. It's a normal response to being blindsided w/them announcing that things are over and done with.
So, what do you do now? You pick yourself up, dust yourself off and continue moving forward. You've learned a few things while being here and now you have a better understanding of what MLC is. The present is a gift and you have to use it wisely. W/that being said, being kind and civil to your h when he contacts you. Learn to cut conversations short when you sense that they are becoming heated. Validate how he feels w/"I'm sorry you feel that way". But above all else, take care of you and your family. Dig deeper for patient, educate yourself on depression and MLC. Be kind to yourself and know that no matter what happened in the early stages of the crisis was a very normal reaction for you. Don't dwell on it because it is in the past.
As for the future, well, none of us can predict what the future holds. He may not remember some of the stuff that transpired, i.e., how he acted or the things he said. My advice...keep looking forward and have faith in yourself and the man upstairs.
Keep the focus on you today.
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.