Christ OP, he is a piece of work that has done a number on you!
He gets stressed and low when he has to help out with feeds.
He allowed you to continue to do it all whilst you were on your knees with gastro????
Unbelievable.
No wonder you are feeling resentful.
He is extremely selfish.
The gastro experience should surely tell you that.
There is something about how a man behaves when his children are very young that goes to the core of his character.
Yours is a selfish arse.
I hope your contraception is sorted because his priority is himself.
Not you, not his very young children.
Himself.
Protect yourself.
His behaviour when you were so ill was appalling.
Don't allow anyone, much less him, convince you otherwise.