"The nurse is ready to see you now."
After a few vitals and a bunch of questions.
"Would you mind if the Doctor is accompanied by a Med Student?"
20 minutes later a knock on the door.
"Hi, I'm a Med Student, mind if I ask you a few questions?"
20 questions later.
"OK I'll go meet with the Doc and we'll be back."
20 minutes later. The Doctor arrives, "How you doing Richard?"
20 questions later, he forgets to renew my prescription, and I have to ask the Med Student to chase after the Doctor.
And that's how my request for a repeat prescription took 100 minutes out of my day.