You are sent to therapy to learn that sex with women is painful, but sucking cock is pleasurable. Aversion therapy is a form of psychological treatment in which the patient is exposed to a stimulus while simultaneously being subjected to some form of discomfort. Your cock and balls will be when exposed to pussy, This conditioning is intended to cause Hubby to associate the stimulus with unpleasant sensations in order to stop his desire for sex with women and make him a full time cock sucker.