In their recent articles in APT Mace & Binyon described a four-level approach to the teaching of the psychodynamic formulation. The fourth level requires development of confidence in the use of an operationalised psychodynamic diagnostics (OPD) manual. Here I critically reconsider the aspects necessary to develop the ability to arrive at a psychodynamic formulation. I argue that as one develops more sophistication and clinical confidence, one needs to move from a manualised to a more open-minded reflective mode.