Chapter 39 alludes to Sai's early life and a previous story involving Chand Patil. What specific details does it provide about these two topics?

Chapter 39 offers brief but significant insights into both Sai's early habits and his initial encounter with Chand Patil. Regarding his early life, the text mentions that at the age of eighteen, Sai had a 'habit of solitude' and would sleep anywhere at night without any fear because he perceived the Lord everywhere. As for Chand Patil, the chapter recaps a story told previously, mentioning how Patil's horse was lost, how he met Sai, how Sai made him smoke the chillum, and how he subsequently got his horse back. The author uses this context to explain how Sai came to Shirdi with the wedding party.