I'm a Physician - A guy’s way of saying he’s cool, but he’s really just trying

A guy’s way of saying he’s cool, but he’s really just trying to cover up the fact that he has no idea what he’s doing.

I'm a physician, I’ve had 10 years of training. (He got training from a YouTube comment.)

I'm a physician, I can fix anything. (He fixed his dog’s broken leg, not his own.)

I'm a physician, I know what’s best for you. (He gave you a pill that was just a piece of bread.)