It was very laid back. The interviewers made jokes to calm me down. They were very receptive to my answers and respectful of my questions. I didn't feel incredibly inferior to them.
If a friend of yours growing up was a physician in the same hospital as you, and you saw him taking pain killers, what do you do? You talk to him and he's addicted, what to you do? He takes some pills before performing surgery, what do you do?