How did Sai Baba uniquely reveal Sapatnekar's entire life story to him?

Sai Baba revealed Sapatnekar's life story through a miraculous and indirect method. According to Chapter 48, while Sapatnekar was massaging Baba's feet, a Dhangar (shepherd) woman arrived and sat down. Baba then began a conversation with her, but as Sapatnekar listened, he was shocked to realize that every word of the conversation was his own life story. The narrative was framed as being about a merchant, but it contained precise details of Sapatnekar's life, including the painful memory of his late son's death. The woman was merely a listener; the story was meant entirely for Sapatnekar, demonstrating Baba's omniscience.