clam is right, this is just another holiday. visit parents, play golf. buy take away for 3 random youngsters.
In terms of his priorities you simply don't feature.
I think you are going to have to sit him down & tell him that he had a childhood where he expectd no input, because he had none.
The fact that his mother was not respected or supported has given him a drastically skewed idea of a normal functionning person.
The reality of a couple & a family, is mutual respect, sharing, trusting & enjoying raising a flourishing family together.
He is incapable of it & hell will freeze over before you throw your life away being his unpaid, unappreciated, undernourished unloved "staff".
He may not understand it, he may not want it, he may not care.
Your relationship hasn't broken down, it simply doesn't exist.
Which is why he will be receiveing the documents, & why you have been getting information about your rights to keep & live in the house, or sell it & what he will be required to pay for the survival of his children.
There is nothing more to say, other than he can go & play golf, he can do what he wants with who he wants as for you, he is history.
He may choose to ignore what you are saying, but it will become very real, very soon, when he recieves the paperwork from your legal team & various authorities.
Burying his head in the sand is frankly pitiful