He used his etiquette in a good way because he knew that they new boy did not understand how the rules and procedures worked.
Getting home on time
The only reason I say that is because none of the other options seem like a benefit.
Answer:
yes, because he told confidential and personal information about a patient that might not have wanted his or her info told to a stranger, and techchnally the intern is not an actual employee yet
Eye contact is one of the most important ways to communicate