Evidently he is verrrrry competitive:

“Throughout three seasons on Williams’ staff, Young earned the respect of Devin Booker and Chris Paul. Booker praised his basketball intelligence and developmental skills. Paul called him one of the most competitive guys in the locker room, a characteristic that has fueled much of Young’s career.”

“It’s an interesting dynamic,” said Michael Tveidt, who played for Young with the Iowa Energy. They also praise his competitiveness, which has surfaced throughout his career, including during a well-publicized chest-to-chest confrontation with former Reno coach Eric Musselman.”

Lots more on his competitiveness as a team captain at his college and his drive: