the rising star who can't pass the scan — "He gets his sterile urine gratis…"
He gets his sterile urine gratis, though he could well afford to pay: Pemulis depends on him for verbal-academic support, and dislikes owing favors, even to friends.
Context
The irony the roster flags, set down without comment: at the exact moment Hal is judged the fourth-best junior in the nation and everyone's pride, he is a customer for clean urine — a flagged user threaded invisibly through his own success story. He takes the sterile sample gratis, a favor traded for tutoring, and the transaction is so normalized it reads as friendship, not as the tell it is.