2. The symptoms of "psychological sub-health" are various, but they are mainly manifested in the following aspects: First, lack of passion for the cause, listlessness and mediocrity; Second, the lack of enthusiasm for life, the meaning of living only lies in living; Third, lack of affection for others, indifference, alienation, and even prevention and deception; Fourth, he lacks a sense of responsibility for society, and the warmth and coldness of society has become insignificant to him. Generally speaking, he fell into the material Wang Yang, lost in the confusion of pleasure, impetuous without faith, awe without pursuit.