This is a work that delves deeply into life, aging, death, and loneliness. In the book, the author, Hiroe Itoh, records the major and minor events of her life after the age of 60 in a diary-like tone, including facing various challenges such as aging, loneliness, and the passing of loved ones. With her open-minded and calm outlook on life and death, she teaches us how to face the challenges of life and how to find the joy of life in loneliness.The story in the book begins with the quiet passing of the author's husband on his deathbed. The author describes in delicate strokes the entire process of her husband's illness and her loneliness and sadness after his passing. In this process, the author gradually understands aging and death and begins to think about the disposal of her own belongings. She hopes that her daughters can die without leaving anything behind just like her, which reflects her open-mindedness towards life and calmness towards death.The book also describes in detail the author's process of learning iaido and her attitude of being courageous to try and persevering unremittingly when facing difficulties and challenges. In addition, the author also shares her daily life spent with her dog and the deep affection between her and the dog. These contents let us see how the author finds the joy and motivation of life when facing loneliness and difficulties.Regarding Trump's policies and decisions, the author expressed strong anger and dissatisfaction. She demonstrated her active participation in social issues and expectations for the future by taking practical actions and expressing her dissatisfaction with Trump.In the final part of the book, the author shares her inheritance and abandonment of cooking, as well as her feelings and thoughts when facing the "abandonment" and "inheritance" of cooking. This reflects the author's love for life and expectations for the future.