I Capture the Castle by Dodie Smith

Read it. (You said I should.)

Loved it. (You knew I would!)

Shall we talk?

One afternoon when we were having tea in the garden, [Father:] had the misfortune to lose his temper with Mother very noisily just as he was about to cut a piece of cake. He brandished the cake-knife at her so menacingly that an officious neighbour jumped the garden fence to intervene and got himself knocked down. Father explained in court that killing a woman with our silver cake-knife would be a long, weary business...