The Pharisees didn't recognize Jesus as the Messiah because he didn't behave the way they expected him to behave.
Mark shows that even those closest to Jesus - the Disciples - had a hard time grasping the implications of who Jesus was.
The people who watched Jesus grow up, including his family, were surprised when Jesus started showing the world who he really was.
Jesus consented to being Baptized by John as yet another way to identify with the human experience.
Jesus 'was tempted in every way'. What's that all about?