The Yahoo answer? You know what it is...

JJ is worried.  JJ wants to know how to pitch a faster fastball.  Deadhead feels his pain.  Deadhead doesn't want him to panic about not having the heater that some of his teenage companions must be chucking.  So Deadhead gives him the advice he took hours crafting, putting into just the right words:

Many great careers have been made out of pitching, not throwing.

Specifically - mine.  He should have just told him to become a left-handed reliever, then he could pitch forever.