In this episode Dr Supriya McKenna explains why couples therapy, or marriage guidance counselling, won't work if one of the couple is a narcissist. She explains how (even when the narcissistic individual seems keen to have therapy) this is a toxic dynamic of triangulation, playing the victim and blameshifting, and why a  narcissist won't seek to evolve or learn from couples therapy - but instead will see it as an opportunity to punish their spouse, and 'win' at it.