Ready to move on

Not exactly baby related but could definitely use advice. Single mom of 3. 2.5, 1.5, and 5 months. I’m over my husband. I don’t love him and I hate it. He abuses me. He is controlling. I married him at 17, he was 23. 3 years later I dread him coming home. I don’t love him. I keep saying it trying to make it not true but it is. I don’t love him, the father of my babies, the one I once trusted. I don’t love him. And it’s heartbreaking. I want to divorce him, but I’m a stay at home mom with no job experience and am genuinely terrified. What do I do? How do I go about this?