 Denial of autonomy and denial of subjectivity are objectionable if they persist throughout an adult relationship, but as phases in a relationship characterized by mutual regard they can be all right, or even quite wonderful … In a closely related way, it may at times be splendid to treat the other person as passive, or even inert. Emotional penetration of boundaries seems potentially a very valuable part of sexual life, and some forms of physical boundary penetration also, though it is less clear which ones these are. Treating as fungible is suspect when the person so treated is from a group that has frequently been commodified and used as a tool, or a prize; between social equals these problems disappear …. (Nussbaum 1999: 238–39)