What instructions did Sai Baba give for the creation of his life story, and what was his promised role in it?

According to the account in Chapter 2, Sai Baba, feeling compassionate, granted permission for a collection of his stories and experiences to be made. He offered his full support, famously stating, "He is merely a pretext; I myself shall write my own story!" Baba's core instruction was for the author to dissolve his ego and surrender it at Baba's feet. He promised that for one who acts this way, he would not only assist with the story but would serve them in all ways in their home. Baba clarified that once the ego is gone, he himself would enter with 'I-ness' and write with his own hand.