Sexual dysfunction is common among individuals with chronic illnesses and is associated with distress and reduced quality of life. Because of the long-term, often irreversible nature of sexual dysfunction in chronic illness and limitations of pharmacological treatments, there is a need to understand cognitive and behavioral coping processes in this population. We present a model of coping with sexual dysfunction that focuses on the construct of flexibility, including the definition of sexual functioning and its centrality to overall self-concept. We describe how this model can be applied in a comprehensive approach to treating sexual dysfunction in individuals with chronic illnesses.