Haruki Murakami emphasizes the importance of maintaining good health in order to confront and manage unhealthy situations. His belief is that a person cannot effectively tackle personal or emotional challenges, which he describes as an "unhealthy soul," without first ensuring they are physically strong and well. This holistic approach demonstrates the interconnectedness of physical and mental well-being.

In his book, Murakami presents his view that cultivating a healthy body lays the foundation for addressing deeper issues in life. By prioritizing physical fitness, one can foster a sense of resilience and clarity that is essential for dealing with the complexities of the mind and spirit. His perspective encourages readers to focus on their overall health as a crucial step in personal growth and healing.