We inherit more than the beliefs of the people who raise us. We inherit their sense of what is normal, what is reasonable, what deserves attention, and what is best left alone. We learn which questions are welcome before we understand why some questions make people uncomfortable. We discover whose explanations receive the benefit of the doubt and whose require additional proof. We begin to recognize the difference between what can be said and what can be said without consequence. Eventually, these distinctions become part of the world as we know it. We call some things common sense. Others become distractions. Some people are described as thoughtful, while others are labeled difficult. Certain concerns qualify as legitimate problems; others are dismissed as misunderstandings, oversensitivity, or resistance to change. ...