Our boy, after a short run, would breakfast on lean, under-done beef or mutton, dry toast, or the crust of bread, and tea without milk or sugar; would dine on meat and a little bread and claret, and sup on more meat and toast, with cresses or some acid fruit, having rowed twice over the course in the afternoon, steadily increasing the speed, and following it by a bath and rub.

At least nine hours sleep must be had; and with this diet, at the end of the training-time the muscles are hard and firm, the skin wonderfully pure and clear, and the capacity for long, steady breathing under exertion, almost unlimited.

No better laws for the reduction of excessive fat can be laid down for any one.
Under such a course, severe mental exertion is impossible; and the return to it requires to be gradual.

But light exercise with dumb-bells, &c., fresh air, walking, and good food are the conditions of all sound mental work, whether done by man or woman.
For the clerk or bookkeeper closely confined to desk or counter, much the same regimen is needed, with brisk exercise at the beginning and end of the day,--at least always walking rather than riding to and from the office or store; while in all the trades where hard labor is necessary, heartier food must be the rule.

And for all professions or trades, the summing-up is the same: suitable food, fresh air, sunlight, and perfect cleanliness,--the following of these laws insuring the perfect use of every power to the very end.
As old age advances, the food-demand lessens naturally.