Determination, hard work and sacrifice are core ingredients in the story of the American dream. But philosopher Jennifer Morton argues there is another, more painful requirement to getting ahead: a willingness to leave family and friends behind. This week, we revisit a favorite 2020 conversation about the ethical costs of upward mobility.Make sure to listen to our episodes about the science of meditation, Seeking Serenity: Part 1 and  Seeking Serenity: Part 2. And if you like Hidden Brain and want more of it, please join our new podcast subscription, Hidden Brain+!