In the course of his hidden life in Nazareth Jesus stayed in the silence of an ordinary existence. This allows us to enter into fellowship with him in the holiness to be found in a daily life marked by prayer, simplicity, work and family love. His obedience to Mary to Joseph, his foster father, is an image of his filial obedience to the Father. Mary and Joseph accepted with faith the mystery of Jesus even though they did not always understand it.
Further reading: CCC 533-534, 564