Advice plz: Husband thinks we can afford our own place.

My husband is 34 and I am 26. We live at my parents with my 3yr old. It gets very stressful every day, but we cant afford to move out my husband works 1-2 days a week and gets ssi for his mental disorders, I work 2 part time jobs so I work Tuesday through Saturday, he thinks I should quit the one cuz he hates me working there, thats the job I make most at waitressing, we are already spending more than we make on bills, his cigarettes and his weed, etc. He thinks we can up and move out and be fine. None of our bills would go away and we would be adding more bills. I think his disorders are alot of what makes his feelings. Can I get advice?