According to Chapter 16, what is the proper attitude a devotee should have when making offerings or performing service for the Sadguru?

Chapter 16 emphasizes that the devotee's internal disposition is paramount. It clarifies that the Sadguru is 'Aptakama' (one whose desires are already fulfilled), so the purpose of service is to make the disciple desireless. The text explicitly states that an offering, even a simple leaf or flower, is accepted with great love when given with faith. However, as Chapter 16 warns, if the same offering is made with pride, the Guru "turns His face away immediately." This teaches that sincerity and faith are what please the Guru, not the material value or complexity of the ritual or offering.