Artist-musician-writer Danielle de Picciotto seemed to have it all. Cool apartment in the heart of happening Berlin, adoring rock star husband, international art career, far-flung network of long-time friends, impeccable social media profile . . . Yet Danielle found herself in an existential crisis of epic proportions that no amount of binge-watching Breaking Bad could cure. When Danielle and husband Alexander Hacke renounced the idea of a "home"...