That may be because he had to grow up fast after leaving his family in Melbourne to join the AIS in Canberra when he was 15 .
Every team left impressed with Exum 's poise and maturity .
That may be because Exum had to grow up fast after leaving Exum 's family in Melbourne to join the AIS in Canberra when he was 15 .
Every team left impressed with Exum 's poise and maturity .