The flow of divine blessing often matches the human capacity prepared to receive it. Once the physical limits of preparation are reached, the miraculous abundance comes to a halt. Unaware that all the borrowed pots were already full to the brim, the woman asks her son to hand her another [מצודת דוד]. The miracle was precisely calibrated to the exact number and size of the containers she had gathered [ביאור שטיינזלץ]. This limitation reveals that she had not actually borrowed enough pots to provide long-term financial security for herself after paying off her debt [מלבי״ם].
A deeper tradition expands on the conversation between the mother and her son, highlighting her profound faith. When she asks for another container, she is actually instructing her son to gather broken pieces of pottery. She believed that God, who could fill empty pots, could also fuse broken shards back together. Her son collected the fragments, stacked them, and by God's command, they merged into whole containers and filled with oil. Therefore, when the son replies that there are no more, he means there are no more broken pieces left to restore [רד״ק, צוארי שלל, צאינה וראינה].
As for how the miracle concluded, the primary approach among commentators is that the oil simply stopped pouring [רש״י, מצודת דוד]. However, another perspective suggests the oil did not vanish; rather, the flow paused, with the oil remaining inside the original, upside-down flask, ready to provide future blessings [מלבי״ם]. Alongside the physical wonder, an economic miracle also occurred. At that very moment, the market price of oil suddenly increased, allowing the woman to secure a much larger profit from the amount she had collected [רש״י].
On a spiritual level, the process of filling the pots represents a person's lifelong duty to repair the world. The request spoken to the son symbolizes the power of speech, specifically the spiritual repair achieved through Torah study and prayer. Reaching the point where there are no more containers signifies that a person has completed all the spiritual work tied to the root of their soul. In this state, the stopping of the oil represents eternal stability. The merit of a person's Commandments remains with them forever, safe from being taken by others. This ultimate spiritual perfection subdues the evil inclination, ensuring the individual remains righteous and free from sin [אדרת אליהו].