Finally ended it- mixed feelings

So I finally broke up with my kid’s dad. After all the years of being treated like shit. All the name calling, the lying, leaving all the house work & kids & bill up to me. Things were getting close to being done anyway, & then I found sexual messages to other girls & they said they hadn’t met up with him. I literally had minutes before he took the phone so I didn’t get a lot of information, but it doesn’t matter anyway because that was the final straw! I was done! I told him we are over & to get his shit & leave. Well, he is still here. According to him he has no place to go. He is looking for an apartment. But him still being here is horrible. I go through constantly being angry, sad, & stressed. Idk what do do next. He quit his decent paying job for a part time job too. I could really use advice from other single mothers. How do you get over the sadness that you aren’t a family? How do you get over the anger & pain to effectively co- parent. I don’t mind that I’m not with him anymore, but I hate that I will never be able to get away. I have so many fears on what is going to happen? Will I be able to keep paying the bills & keep the house? Do I go straight to court, or try to make this work without the court system? I have no idea what to do. I haven’t told my family yet. I don’t want to til he moves because they will all be happy which I get but it’s a sad thing too. I am so stressed, I feel so alone. I would really appreciate advice on how other mothers pulled this off. I have to be strong for my boys.