How does understanding 'Who am I?' cause desires to dissolve, according to Sai Baba's teaching?

In Chapter 3, Sai Baba explains that desires are products of the intellect and have no connection to the true Self, the Soul. He identifies Himself as the form of the Soul, which is inherently without the impulse for desire. The process of dissolving desires, therefore, hinges on self-realization. Baba states, "When the essence of 'Who am I' is understood, various types of desires Dissolve like hail heated by the rays of the sun." By investigating the nature of the self, a person realizes they are the all-pervading Soul, not the limited ego. This realization dissolves the sense of 'I' and 'mine' which is the root of desire, causing them to melt away just as hail disappears under the sun.