Acharya Prashant explains that human habits like drinking, smoking, and lust are not merely 'dirty' behaviors but are sick expressions of a deep-seated craving for liberation and truth. Unlike animals, who are content with physical fulfillment, man is inherently restless and seeks something beyond the material. When a person fails to find the real truth, they turn to cheap substitutes like money, power, or sensory gratification, mistakenly thinking these will provide fulfillment. These habits serve as a diagnosis of what is missing in one's life, and simply suppressing them through willpower is often temporary because the underlying restlessness remains unaddressed.