Sex therapist Ian Kerner hears about a common problem from his patients: "failure to launch," or the inability to build and maintain sexual momentum. What's the solution? Whether you're looking to reignite the spark in your relationship or reconnect with your own desire, Kerner shares advice on how to cultivate your erotic imagination and get back on the "arousal runway." (Note: This talk contains mature content. In order to protect patient privacy, the speaker has combined or adjusted several patients' experiences.)