My fucking boss has his kids on the weekends and in New Years he has his kinds Saturday-Tuesday and…

My fucking boss has his kids on the weekends and in New Years he has his kinds Saturday-Tuesday and he wants a nanny the whole entire time his kids are here. Me and my sister usually take turns on the weekends but there is no way I can work overnight Sunday then work all day Monday and all day Tuesday with a newborn with me. I am so stressed I just want to cry and quit