[reality:]
J.D.: I just remembered something. I was barely listening.
[flashback:]
Boon: A genetic defect that presents with anemia and causes copper build up in the liver and other organs, - destroying them.
Debbie: What is Wilson's disease?
[present:]
J.D.: It's Wilson's disease.
[fairy tale:]
Debbie: This is for you.
J.D.: The golden ring.