He had no patients
PATIENT:I am going to die in a minute. DOCTOR:wait I am coming with in five minutes.
Because he didn't have any patients.
God's punishing you for waiting until the flight home to buy your wife a gift.
No one knows, they wait for it to burn out and follow it around for twenty years.
Pick up lines
He was caught doing lines of math!
Urine trouble!
They have a lot of patients. Sorry.