"Don't pamper the appetite with such variety of food that may lead to excess.
"Don't read in street-cars or other jolting vehicles.
"Don't eat or drink hot and cold things immediately in succession.
"Don't pick the teeth with pins or any other hard substance.
"Don't sleep in a room provided with stationary washstands.
"Don't neglect any opportunity to insure a variety of food."
There are many things we should never do. Among them are:—
"Never go to bed with cold or damp feet.
"Never lean with the back upon anything that is cold.
"Never begin a journey until the breakfast has been eaten.