The fortune teller said that my life was under the old pot. What does that mean?

The fortune teller said that my life is under the old pot ... what does that mean? -"Under the Old Pot": In the past, firewood was burned and the substances condensed under the old pot were fumigated. Chinese medicine is called "white grass". This substance is described as "dark black" in rural areas, and the commonly used white grass condenses under rice and vegetable pots, which has certain medicinal value and effect; This substance under the old pot is long-lasting, moldy, sexual and useless. The metaphor should be "black ink is useless"