It has a little door at the top and another little door at the bottom, and looks like a pepper-caster.

Whether it is happy or not depends upon those two little doors.

There are times when it feels it wants the bottom door shut and the top door open, or _vice versa_, or both open at the same time, or both shut--it is a fussy little stove.
Ordinary intelligence does not help you much with this stove.

You want to be bred in the country.

It is a question of instinct: you have to have Belgian blood in your veins to get on comfortably with it.