Because he didn't have any patients.
Quack
He had no more pane
the surgeon asked the patient that was about to be anesthetized. "But doc this is my first operation." "Really It's mine too and I am not excited at all."
Doctor: It depends, how old are you Patient: I will be 24 soon. Doctor: Pffff, no you won't.
Get a tame one and annoy it !
A noisy noise annoys an oyster.