Longtime California swing coach George Pinnell has seen the look on Rose Zhang's face many times over the past nine years.
Pinnell would give Zhang instructions before beginning a drill, and she'd stare into space for about 30 seconds. While it might have seemed the golf phenom was contemplating the nature of time or another of life's great mysteries, Pinnell would learn there was much more to his pupil's indecisiveness.
"When she's in a lesson, she's very intuitive," Pinnell said. "I know what she's doing. She's thinking about how she's going to make her body do what I ask her to do.