A delusion is a fixed, false belief that persists despite clear and contradictory evidence. In family courts across America, there exists such a delusion: the firm belief that children are not adversely affected by a father’s domestic violence (DV) and child abuse, and that protecting a father’s role in a child’s life must take precedence, at any cost. Mental health experts and court professionals frequently miss, minimize, or misunderstand how DV impacts children.