Can you narrate the incident from Chapter 18 involving the narrator, Shama, and the Nath Bhagawat, explaining the lesson Baba taught?

As detailed in Chapter 18, the narrator had skipped his morning reading out of laziness. Sai Baba, aware of this, instructed him to go to Shama and bring back fifteen rupees. The narrator obeyed immediately. Upon arriving, he found Shama had just bathed and was asked to wait while Shama completed his worship. While waiting, the narrator casually picked up the Nath Bhagawat book from a window, and it opened to the very section he had failed to read that morning. The lesson was clear: Baba had subtly engineered the entire situation to enforce the discipline of regular study, teaching that one should complete their reading peacefully before moving on from their worship.