I think that is why we all come here. We are rational and logical. We can't understand destroying our family for our own selfish purposes. Destroying our families is the last thing we would do. So how can we understand?
w8ing, I know you question whether or not your H is MLC or not. I am no expert, but I have a hard time believing he isn't MLC when he just woke up one day and decided that he didn't want to be a husband or a full-time father anymore...and then when he drops these "bombs" on you at the most inappropriate (to say the least) times. I can't believe for a second that you, being the intelligent, caring, loving person that you are, would have been married to (let alone loved) someone so selfish and uncaring as your H is now. Granted, you have not seen all of the classic MLC traits in your H, but it is different for everyone and you are still pretty new to this. Just my 2 cents about that but whether it is MLC or not, it is a pretty hard pill to swallow.
It kills me how your H tried to manipulate you into thinking he was giving you such a great settlement. I know I don't need to tell you what to do there. Obviously your H isn't in his right mind because he was married to you for all of these years and now he has somehow forgotten that you have a brain!
You have acted with such dignity and grace throughout this...I have no doubt that you will keep your composure while you "lawyer up". If it were me, I would have had a meltdown and confronted my H. Keep doing what you are doing...your D's will see learn and thrive from your strength.