What does the fortune teller mean when he says that he has earned money for seventeen years?

There are three kinds of wealth, silkworm wealth, horse wealth and field wealth. Silkworm wealth refers to merchants, horse wealth refers to merchants, and field wealth refers to farming. Seventeen years of silkworm wealth means that during this period, you are suitable for sitting in a business and opening a shop, and you may not be able to make a fortune, but you can accumulate slowly like a silkworm eating mulberry leaves and get rich step by step!