It's wrong to exclude specific family members from big events.
Gary is getting married soon and has decided to start planning the wedding.
Gary wants to make a guest list.
Gary invites all of his friends and family to the wedding including his sister Mary.
Gary invites many friends and family members to the wedding but does not invite his sister Mary.
Mary is thrilled to receive an invitation to Gary's wedding and their relationship grows stronger.
Mary is offended that she has not been invited to Gary's wedding and their relationship is damaged.