On the other hand, a too monotonous dietary, especially where people are accustomed to a large variety of mixed foods, fails to give the gustatory pleasure necessary for a healthy secretion of the digestive juices, and so may quite possibly result in indigestion. It is a matter of common observation that we are better able to digest food which we enjoy than that which we dislike, and as we live not upon what we eat, but upon what we digest, the importance of enjoying the food eaten is obvious. Also as few people know anything about the nutritive value of foods, they stand a better chance, if they eat a large variety, of procuring the required quantity of different nutrients than when restricted to a very limited dietary, because, if the dietary be very limited they might by accident choose as their mainstay some food that was badly balanced in the different nutrients, perhaps wholly lacking in protein. It is lamentable that there is such ignorance on such an all-important subject. However, we have to consider things as they are and not as they ought to be. Perhaps the best way is to have different food at different meals, without indulging in many varieties at one meal. Thus taste can be satisfied, while the temptation to eat merely for the sake of eating is less likely to arise. It might be mentioned, in passing, that in the opinion of the best modern authorities the average person eats far more than he needs, and that this excess inevitably results in pathological conditions. Voit's estimate of what food the average person requires daily was based upon observation of what people _do_ eat, not upon what they _should_ eat. Obviously such an estimate is valueless. As well argue that an ounce of tobacco daily is what an ordinary person should smoke because it is the amount which the average smoker consumes. A vegetarian needs only to consider the amount of protein necessary, and obtained from the food eaten. The other nutrients will be supplied in proportions correct enough to satisfy the body requirements under normal conditions of health. The only thing to take note of is that more fat and carbohydrates are needed in cold weather than hot, the body requiring more fuel for warmth. But even this is not essential: the essential thing is to have the required amount of protein. In passing, it is interesting to observe the following: the fact that in a mixed fruitarian diet the proportion of the nutrient compounds is such as to satisfy natural requirements is another proof of the suitability of the vegetable regimen to the human organism. It is a provision of Nature that those foods man's digestive organs are constructed to assimilate with facility, and man's organs of taste, smell, and perception best prefer, are those foods containing chemical compounds in proportions best suited to nourish his body.