Can you explain the story of the woman who planned to fast, as described in Chapter 32?

According to the details provided in Chapter 32, a certain woman had a strong desire to have Sai Baba's darshan and intended to stay in Shirdi for three days, fasting without any food. However, the chapter explains that an occasion arose where her firm resolve was broken. Baba intervened and had her hands work to prepare puranpolis. Not only did he have her make the food, but he also made her eat to her heart's content. The text suggests this was a lesson in which she was made to understand that wearing out the body for the sake of others is a blessed act and a form of supreme welfare, a lesson she would never forget.