Should've left a long time ago

I was stupid and kept giving my relationship chance after chance after chance hoping my partner would change and I should've been smart enough to know they don't. Instead I was the idiot who got married and I won't ever regret my kids but had kids with this person and I feel so fucking stupid. I should've left a long time ago when I saw this person wasn't willing to change. Now I'm unhappy and have no way out and I know it's my fault. I just wanted to give it a chance for my kids but he just doesn't care to try at being a father or a husband so what's the point? All he cares about is working and his job anything past that he couldn't care less. He thinks all it takes to be a parent and a husband is to make money and pay bills and that's it. The other day for example, I make sure everyone is cooked for and fed before I am, everyday, and that morning I was busy putting in an online food order so I made my kids their breakfast and his in-between doing that and I was going to make myself something after I was finished but what bothered me is he got up from eating, went to sit down and started watching a TV show and I don't want to have to keep telling my partner what I need. He didn't offer to make me anything knowing I'm pregnant, haven't eaten and it was already hitting noon. So I got mad and just made myself something. Today I asked him what time he was getting out so I could wait to eat dinner with him like an idiot, and same thing made everyone their food first and mine last. He sat at the table, headphones in both ears, not even trying to talk to his kids or me and ate. Once he was done he got up and left the table. Not even waiting for me to be done. I cleaned up the table alone and washed the dishes. I was mad so I told him he's been incredibly selfish and only thinks of himself. That he's been a lousy father and a lousy husband. He wants to act like I have no reason to be upset. I have every reason to be upset and I'm gonna express it. If I'm stuck in an unhappy marriage it's not entirely my fault because my partner is failing but yeah it feels like it's my fault.