I think it would be and you ain’t done a thing, because all of the lines are just showing what hasn’t been fixed. But that sentence is placing the blame upon someone.
Billy's father says they can't stay with grandpa and grandma cook because he and Billy's mother are getting a divorce.
Because of the fact that Billy's parents are separating, he can no longer stay with his grandparents, but rather go to a court where the judge will decide where the child will live from now on - whether that is going to be with his mom or his dad.
Answer:
I think answer is financial