Recovering from a car crash that smashed her face, listener Rebecca Kaduru stumbled across an episode of The Happiness Lab in which we interviewed wounded Iraq veteran JR Martinez. His story brought Rebecca great solace in her own painful journey to recovery.

Following our recent show talking to Rebecca, we wanted to give you a chance to hear the episode which so touched her - The Unhappy Millionaire - in which we examine the "psychological immune system" that help humans overcome even the toughest experiences.