Family often contain information the family considers private and not appropriate for sharing with outsiders.

Family secrets

Explanation:

Family secrets are the secrets or the protected thoughts and words that are to be kept under privacy. Some actions or happenings are kept among the family members to maintain a privacy from the outer world. The private lives of the family members helps in maintaining the exclusive identities. Some of the secrets are carried through ages while others develop with time. These secrets are enclosed within the walls of the family.

if you have to make a general question and respond to your thoughts, then this isn't really a question someone can you on. read the passage, form your question, and answer using your thoughts. no one else can understand how you interpreted this text if you don't tell us.