There is more to this than meets the eye. What does this man do all day apart from begetting children?
Is he having a large family because he feels emasculated by his healthy mother?
If they have that much money that he does not need to work they need to hire a live in nanny.
I think this young woman needs some serious help when baby is born and should consider a sterilisation or ask the husband to have a vasectomy.
Being quizzed by chemist's assistant in Boots.