Psychic reading

A good "reader" can identify things about you that it is good for you to know.  I don't think it's magic, but just a skill some people have, sometimes learned, sometimes intuitive.  Once they have your main issues, their advice can be great.

The ability unfortunately includes the ability to be a fraud, pulling cons on people who will later say, "He [or she] must be genuine -- he knew things he couldn't possibly have known."

Of course they often make guesses, and certain guesses, like a recent loss, are very likely to be correct.  Then they assess how serious the loss was to you before proceeding.  Then, again, a wrong guess can also be covered in a myriad of ways, with something like, "What I mean is. . .."