This episode of the Huberman Lab podcast features a discussion with David Goggins, a former Navy SEAL and ultramarathoner, about building inner strength, discipline, and mental fortitude. Goggins shares his personal journey of overcoming significant hardships, including abuse, obesity, and learning difficulties, to achieve extraordinary feats. The conversation delves into the science of willpower, the importance of confronting one's inner dialogue, and the "suck" as a catalyst for growth. Goggins emphasizes the power of embracing challenges and developing a "no days off" mentality through consistent, disciplined effort, highlighting the role of the anterior mid-cingulate cortex in willpower and resilience.