The analyst in the square is similar to those who read fortunes based on the Eight Characters; they can determine good or bad based on the year and month of birth. You might not believe it, but he claims to have evidence from the I Ching and the Eight Trigrams. You might believe it, but it often seems like it’s true and yet not quite. Whenever he makes a comparison, he always talks about how the old Li family listened to him and what happened to them, or what happened with the old Zhang family, but he never mentions when he misjudged someone.