"Never argue with your wife about hostility when she's a certified Freudian"

This quote is a humorous tip to not take part in arguments with your partner when they are in a heightened emotion. William Goldman is recommending that it is best to prevent arguing with your wife if she is a qualified Freudian, as she is most likely to be more well-informed about the psychological implications of hostility. He is suggesting that it is much better to take a step back and permit her to reveal her feelings without participating in a heated dispute. This quote is a tip to be mindful of the power dynamics in a relationship and to be considerate of your partner's sensations. It is likewise a reminder to be familiar with the capacity for misunderstandings and to take the time to listen and comprehend each other's perspectives.