Like many women of a certain age, we’ve moved past being a rebellious daughter and into being a mother in our own families. We tell our children no when they ask for unreasonable or unhealthy things. We tell our partners no when they have unrealistic expectations. We even tell our best friends no when we need more time with our children and partners. Why, then, is it so difficult to say no to our mothers or fathers or other members in our family of origin?