What does the fortune teller mean by taking root by the river?

The fortune teller said that my roots are in the river, okay?

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I wish you a happy life.

: Independent personality and excellent understanding; Do everything with enthusiasm, but never rashly, but carefully plan and go all out, so that you can reach the professional level. Advantages are creativity, sacrifice and dedication, and dedication to work. Disadvantages are arbitrariness or arrogance, and self-repression.