I feel like I have lost everything?

Last night was a wreck in my house my folks screaming back and forth your thinking so the point is I've had to deal with it for fourteen years and this morning my step da said he isn't staying cause my mum is a slut and a whore too though he has a drinking problem as well and every now and then drinks down all his sorrows and well you know gets drunk last night hearing yell back and forth I broke down feeling I've lost everything even though yes I wake up and I still see everything in my room I just feel like I did though like someone has died kind of lost even though I think my great grandma is still alive I just need advice from people who have been through this I thought I knew what to do but I am laying in bed feeling like horrible I guess and angered and obviously upset Idk what to do if you answer this I will answer any of your questions thank you