In this interview, American cartoonist and author Lynda Barry (b. 1956) describes the philosophy of teaching that has inspired and mobilized her art since the 1970s. For Barry, the connection between gesture and thought collide in drawing and expose the therapeutic possibilities of art. Whether teaching undergraduate art students or prison inmates, her goal is to help others develop art making skills as an “external immune system” that will protect and monitor their emotional and mental health.