At the age of 17, Joseph was doted upon by his father and given dreams of dominion over his brothers. At that stage of his life, Joseph would not have been at all suitable to be viceroy of Egypt. God undertook a program to season the young man by a series of events which got his self worth into perspective. So too does God want us to get our natural, prideful hearts into subjection. In this, He will also bring us under His discipline.