You know she is really mad at you if . . .

"As far as I was able to ascertain [they] didn't exchange a word from start to finish. Oh yes, once - when he asked her to pass the salt, and she passed the pepper, and he said, "I meant the salt," and she said, "Oh, really?" and passed the mustard. [from The Code of the Woosters by Sir P. G. Wodehouse]