According to Chapter 13, what does Sainath require from his followers, and how did the Patil's actions exemplify this?

Chapter 13 explicitly states that Sainath requires very little from his devotees: 'Two hands, one head, stability, faith, and total surrender. Sainath needs nothing else; only that one gratitude should be there.' The Patil's actions perfectly exemplified these requirements. After his miraculous cure, he was overwhelmed with gratitude and went for Baba's darshan, where he placed his forehead on Baba's feet in an act of total surrender. He acknowledged that this was the only way he could settle his debt of gratitude. He further demonstrated his faith and gratitude by establishing and regularly performing the 'Satya-Sai vow,' making his devotion a continuous practice.