1 Samuel ch.10 - Three Signs and a Coronation

Samuel anoints Saul as king. He tells Saul that once he experiences three special "signs", he will become overwhelmed by the spirit of God and become a "new man?. What do these signs mean? And does Saul become a new man? His signature feature would seem to be his bashfulness or his humility. At the coronation that Samuel organizes, Saul doesn't occupy the limelight; He hides! Why did God choose Saul? Music. "New Man" by Ed Sheeran