He was known as a quack doctor in that town.

He is called a 'kid's room uncle', and is alienated from society.

Even though he is a doctor, he doesn't take care of his own health. It's truly a case of 'physician, heal thyself'.

He was swimming freely as if he was a fish playing in the pot.

In order to maintain health, it is important to adhere to the saying, 'Eat moderately to avoid the doctor.'