Dr. Cox: I have news, Mr. McRae. You have Acute Intermittent Porphiria. Now, while that is manageable, I'm afraid there is no cure. And then we got a response that we didn't expect.
Alex: Oh, man. I couldn't be happier.
Dr. Cox: Excuse me?
Alex: Just knowing what it is, makes it so much easier to deal with, you know?
J.D.: [v.o.] And then I saw something click in Dr. Cox. What Mr. Mc Rae was saying is that the enemy you know is always better than the one you don't.