How did a skeptical visitor's mind change after meeting Sai Baba in Shirdi?

The story of Boss Dharamsee in Chapter 35 perfectly illustrates such a transformation. Initially visiting with a 'clinical scrutiny,' Dharamsee was troubled when Baba offered him grapes with seeds, a variety he disliked. He even questioned Baba's sainthood in his mind, wondering why a true saint would force something upon him that he didn't like. As this attitude arose, Baba gave him even more grapes. When commanded to eat them, Dharamsee discovered they had become seedless. This miracle shattered his skepticism, and as the chapter notes, 'All his ego dropped away, and love for the saint was born,' and his eagerness to visit Shirdi became a firm determination.