In long-term relationships, we often expect our beloved to be both best friend and erotic partner. But as Esther Perel argues, good and committed sex draws on two conflicting needs: our need for security and our need for surprise. So how do you sustain desire?

Infidelity is the ultimate betrayal. But does it have to be? Relationship therapist Esther Perel examines why people cheat, and unpacks why affairs are so traumatic: because they threaten our emotional security. In infidelity, she sees something unexpected - an expression of longing and loss.

Shame is an unspoken epidemic, the secret behind many forms of broken behavior. Brené Brown, whose earlier talk on vulnerability became a viral hit, explores what can happen when people confront their shame head-on. Her own humor, humanity and vulnerability shine through every word.

Brené Brown studies human connection -- our ability to empathize, belong, love. In a poignant, funny talk, she shares a deep insight from her research, one that sent her on a personal quest to know herself as well as to understand humanity. A talk to share.

In a moving talk, journalist Johann Hari shares fresh insights on the causes of depression and anxiety from experts around the world -- as well as some exciting emerging solutions. "If you're depressed or anxious, you're not weak and you're not crazy -- you're a human being with unmet needs," Hari says.

What really causes addiction -- to everything from cocaine to smart-phones? And how can we overcome it? Johann Hari has seen our current methods fail firsthand, as he has watched loved ones struggle to manage their addictions. He started to wonder why we treat addicts the way we do -- and if there might be a better way.

This is a short excerpt. You can view the whole interview as a SAND supporter athttps://www.scienceandnonduality.com/video/a-neurosurgeon-talks-of-vulnerabil...