Indigo, I might be very immature but I'd be tempted to tell him he's too skinny and you've gone off him.
A man like that, you could tell him that he's too self-absorbed, too selfish, he doesn't value you and it'd all be true but all he'll absorb is ''drama'' ''this is boring now'' and ''demands are being made of ME and I feel very uncomfortable, so that is Indigo being horrible''
The only way to get through to these jackasses is to say something blunt like ''I thought such a skinny bloke would be more grateful to be with me, I have better options, Happy New Year, bye''.
If you have kids with a man like this, you'll have 100% of the responsibility, 0% respect from him, if you try to redress that balance wrt to financial sacrifices and responsibility being nearly all yours he'll roll his eyes, you'll be boring him, with your drama, and, there are skinny 25 year olds over his shoulder so no, he can't mind his own child! Which will leave you with no freedom to meet somebody else.
Which comedian said ''marry a man who'd make a good ex husband''
Is that ever true.