Family in the teaching of the Catholic Church has always confronted challenges year by year. The vow of marriage which is the official initiation of fostering a Catholic family is currently under a new challenge, namely loyalty. Loyalty to the vow of marriage challenges to be contemplated and executed whole-heartedly so that a Catholic marriage with a character of unitas et indissolubilitas (unity and inseparability) will remain to bring joy to the family and the entire human race. The Catholic Church is very observant of family life. The official teaching of the Church regarding marriage remains to keep marriage united and immaculate, taking example of the holy family of Nazareth, namely Jesus, Maria, and Joseph. The Catholic Church leads its community to always be faithful to the vow of marriage, which symbolizes the unity of Jesus and the Church. May Catholic families be Family in the teaching of the Catholic Church has always confronted challenges year by year. The vow of marriage which is the official initiation of fostering a Catholic family is currently under a new challenge, namely loyalty. Loyalty to the vow of marriage challenges to be contemplated and executed whole-heartedly so that a Catholic marriage with a character of unitas et indissolubilitas (unity and inseparability) will remain to bring joy to the family and the entire human race. The Catholic Church is very observant of family life. The official teaching of the Church regarding marriage remains to keep marriage united and immaculate, taking example of the holy family of Nazareth, namely Jesus, Maria, and Joseph. The Catholic Church leads its community to always be faithful to the vow of marriage, which symbolizes the unity of Jesus and the Church. May Catholic families beFamily in the teaching of the Catholic Church has always confronted challenges year by year. The vow of marriage which is the official initiation of fostering a Catholic family is currently under a new challenge, namely loyalty. Loyalty to the vow of marriage challenges to be contemplated and executed whole-heartedly so that a Catholic marriage with a character of unitas et indissolubilitas (unity and inseparability) will remain to bring joy to the family and the entire human race. The Catholic Church is very observant of family life. The official teaching of the Church regarding marriage remains to keep marriage united and immaculate, taking example of the holy family of Nazareth, namely Jesus, Maria, and Joseph. The Catholic Church leads its community to always be faithful to the vow of marriage, which symbolizes the unity of Jesus and the Church. May Catholic families be able to always be faithful to this vow of marriage and enjoy happiness as aspired and taught officially by the Catholic Church.