There is only 1 standardize way of seeing it from 古书，however, some fortune tellers (those of them whose knowledge not tip top) will lure clients to talk about their own things when touch on a point and input their assumptions into it to derive a conclusion, hence, clients will feel that they are not accurate or lying.
Some fortune tellers will twist the knowledge that they know based on what they have learnt about bazi through 古书 when the client decides to talk more about their encounters in life and further justify it , you do not have the knowledge on bazi and can either believe or don't believe.
I have been to many fortune tellers, so far, only 1 is really really good.
There are so many fortune telling books and videos around.
You can already generate your bazi, ziwei and astrology chart from internet.
So, you can also gather and piece the information yourself on your strength and weaknesses.
In terms of your future predictions, it will be a tougher challenge.
I visited a few myself and a few of my friends also did.
I prefer the FT finished my analysis one time.
(Too bad I was not matured enough to ask more serious questions since I was just fooling around.)
Will be wary about those who asked for more money to perform rituals to avert your coming mishap in which two of my friends encountered.
It is very hard to prove whether the ritual were effective or it was just BS.
