Breakfast at Tiffany's
"Boy, that's rotten. And you meant to be her friend. What a bastard!" (15.4).
"Well, I might be rotten to the core, Maude, but: testify against a friend I will not" (17.24).
But the address, if it ever existed, never was sent, which made me sad, there was so much I wanted to write her (19.1).