Besides, you're Rose's father, and I'm Gerald's sister. If we married I should be my brother's mother-in-law, and my step-daughter would be my sister. Your daughter would be your sister-in-law, and your brother would just snap his fingers at your fatherly advice.
Admiral.
[Confused.] Eh?
Lady Frederick.
I don't know if the prayer-book allows things like that, but if it does I think it's hopelessly immoral.
Admiral.
Well, shall I tell them I've changed my mind and they can't marry?
Lady Frederick.
Then there'd be no reason for us to—commit the crime, would there?
Admiral.