Invent an imaginary British houseguest. All of us have much more control over our behavior than we like to think. For instance, if you had a very proper, prestigious British guest at your home, sleeping in the bedroom adjacent to yours, you'd act differently during arguments. You'd behave more kindly and politely to your spouse when, say, he sold your mother's hideous-but-beloved vase during a garage sale—if only because you didn't want to feel deeply ashamed. So the next time you consider screaming, imagine poor Rupert lying in the guest room, overhearing your every word.
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