u/Putrid_Judgment_5200

Hello, so recently my ex partner has started having our son 3 days a week but only recently. I am a single mum and I have him 4 days a week. I take him to his appointments, buy him everything l. Receive no maintenance from his father and now he’s telling me he’s going to add him onto his new uc claim? Im worried as this could take Mu housing benefit ajd work allowance away I wouldn’t be able to survive. What should I do