In many spheres of human life, there are secrets. These secrets contribute either positively or negatively to the prosecution of human activities. In this connection, families all over the world keep secrets. These secrets concern a good number of domains and are meant to ensure the survival and welfare of families and their members. Some of these domains are presented in the following sections of this work: secrecy and adultery; secrecy and incestuous relationships; concealing information concerning assets and financial accounts; concealing the identities of biological children; hiding the reasons for contracting some marriages; hiding family histories; secrecy as well as family disabilities, inabilities, deficiencies, etc; secrecy concerning past lives; non-disclosure of financial and economic situations in families; non-disclosure of professional secrets; protecting mothers', daughters' and sons' relationships with influential persons (religious leaders, politicians, businessmen, musical stars, sports icons, etc); protecting spiritual activities; Etc. Finally, there is need to know when to keep the said secrets or disclose them.