Communication privacy management theory?

Communication Privacy Management theory (CPM) (Published in 2002) Theory (Petronio)

Disclosure in relationships requires managing private and public boundaries. These boundaries are between those feelings that one wants to disclose and those one wants to keep private. Disclosure in relationship development is more than revealing private information to another. Negotiation and coordination of boundaries is required. Decisions regarding disclosure require close monitoring.
5 Instances in the theory are
1. She worries about someone at work finding out about the pornographic e-mails
2. She engages in conversation with co-workers without telling them that she's feeling harried
3. She confines confides in a friend about feeling unbalanced in her work and personal life
4. She listen her mother voice-mail-recorded complaints
5. She hears her roommate's discloser without telling her what she really thinks about her boyfriend
Human Choice ------ Relational life characterized by change
Human - made rules ------ Contradiction as the fundamental fact of relational life
Social concerns