Trying simply provides an excuse for not doing.
A coach must sometimes see players with his heart, and hear them with his eyes.
Most of us are referees at heart; we like to call throws and errors on someone else.
Being left-handed has its advantages in volleyball. Few people know enough about your spike and serve to give you advice.
Players need you to care, especially when they do not deserve it.
The sport of volleyball will never give you something that you can't handle; whether you do handle it is another question.