Acharya Prashant explains that while physical health is preferable for spiritual progress, it is not an absolute requirement. He clarifies that no one is perfectly healthy or perfectly sick, and the impact of illness depends on one's inner resolve and depth of love for the truth. He suggests that physical sickness serves as a test of spiritual mettle, revealing whether a seeker's determination can withstand bodily discomfort. He references traditional stories of extreme physical austerities to illustrate the spiritual seeker's commitment to not being dictated by the body's conditioned desires for pleasure and survival. Acharya Prashant emphasizes that since sickness and old age are inevitable, one must have the heart to continue on the path of dharma despite physical ailments. He also critiques the modern interpretation of yoga that focuses on cultivating attractive bodies, noting that such physical vanity is not the true essence of spirituality.