How did Bapusaheb Buti feel when Sai Baba became gravely ill, and why was he so concerned about the mansion he was building?

When Sai Baba fell seriously ill and his end seemed near, Bapusaheb Buti was filled with great anxiety and unease. Chapter 39 describes his troubled mind, as he feared for the future of the mansion. He expressed deep regret, thinking, "Lakhs of rupees have been spent, and in the end, this obstacle has come." His primary concern was that Baba's feet might never touch the temple, rendering the entire project meaningless. He felt that without Baba, the mansion and the planned Murlidhar idol would be useless, showing that the building's value was entirely tied to its association with Sai Baba.