According to Chapter 42, what is the significance of remembering the Sadguru's feet, and what does this chapter promise to describe about Sai Baba?

Chapter 42 explains that by constantly remembering the Sadguru's feet, a devotee can overcome significant life challenges. The text states that this practice causes the very nature of obstacles to dissolve, removes the distress of worldly existence, and can even make "death meet its death." This remembrance is presented as a powerful method to transform unhappiness into happiness and open the path to liberation. As stated in Chapter 42, after explaining these benefits, the narrative promises to describe Sai Baba's nature—whether his mind was intense or soft—and to give a detailed account of his departure from his physical body.