Those books are written by psychologists, maybe they have a good reason to be ... imprecise, underspecific? Be honest: nobody "knows"; Instigate thought: don't

Those books are written by psychologists, maybe they have a good reason to be ... imprecise, underspecific? Be honest: nobody "knows"; Instigate thought: don't serve the truth on a silver tablet. That seems to be true for every advanced topic. Reverse psychology is still psychology.