A not infrequent case of diminishing energy is staleness. The pressure, monotony, and unceasing continuity of responsibilities dull the freshness of mind which a person must have to approach his work successfully. As an athlete goes stale, so does the individual, whatever his occupation, tend to come upon dry and arid periods. During such a condition of mind the expenditure of greater energy is required to do with difficulty what one formerly did with comparative ease. As a result the vital powers are hard put to it to supply the force required, and the individual often loses his grip and
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