Can you explain the strange way Sai Baba told Sapatnekar his life story? Who else was there?

Sai Baba revealed Sapatnekar's life story in a miraculous and indirect manner. One night, Sapatnekar approached Baba while he was alone and began massaging his feet. A Dhangar (shepherd) woman then arrived and sat down to rub Baba's waist. As recounted in Chapter 48, Baba then began a conversation with the woman, but the content of the conversation was actually Sapatnekar's own life story, complete to the detail of his late son's death. Sapatnekar listened in shock and wonder, realizing that though the woman was saying "Yes," the story was entirely his own, and she had no real connection to it. This event served as a profound lesson for Sapatnekar about Baba's omniscience.