- [Fairfax and Carstairs are lying in Madame Fanny's bed]
- Flying Officer Fairfax: If the Jerries find us dressed in civvies, it would take a lot of explaining.
- Flying Officer Carstairs: If they found us in bed with each other, it would take even more explaining.
- Flying Officer Fairfax: Carstairs, are you a grammar-school boy?
- Flying Officer Carstairs: [shocked] How do you know?
- Flying Officer Fairfax: You're wearing your socks in bed.