Your human and you are hurting. And someone hurt you. MLC or not, your H hurt you. I absolutely understand the swirling of emotions and the range from loathing and hate to missing. And never really knowing where it is that we stand.
Learn from what happened. Your kids are a trigger for you. And he knows it. That means that you are going to have to take a deep breath and count to five submarines before you react. Do not give him ammunition and give your kids the gift of a mother's strength not to put them in the middle. GM always has good advice when it comes to the kids and I defer to her knowledge.
Don't worry about coming through this quickly, B. I thought I would be fine before now as well. I am not and like all other reality. I am learning to accept that this is going to take more time than I ever thought to heal.