Chinuch Hora'ah of the Day:
It is exceedingly important that the simchah of Shabbos and Yom Tov be experienced not only at shul and during farbrengens, but also in the home of each and every member of Anash (the Chabad community). Hence, farbrengens should be organized in such a way that there will be time during the auspicious days of Shabbos and Yom Tov [for the husband and father] to explain these matters to his family members in an appropriate way, using appropriate language. Surely there is enough time during those days to farbreng properly as well as to bring joy to one’s wife and children properly. It is obviously not possible to give individual instructions about this to each and every person, for it all depends on one’s personal nature. Surely, based on the above, each person can come to his own conclusions about the conduct that is appropriate for him and his home.
(Igros Kodesh, vol. 10, p. 61)