This is Part 1 of the "Best Of" 2025 series, featuring meaningful conversations on longevity, happiness, consciousness, and what it takes to change.

Rich is joined by Kevin Hall, Ph.D., a former NIH scientist, to discuss metabolism myths, ultra-processed foods, and why diets fail.

Rich is joined by Rutger Bregman, Dutch historian, to discuss moral ambition, the crisis of meaning, and why doing good must become prestigious.

Rich is joined by Gregg Renfrew, clean beauty founder of Beautycounter and Counter, to discuss identity loss, reinvention, and starting again.

Adam Skolnick and I tackle holiday survival, rock bottom as decision, direction over goals for 2026, American Tiger, and our favorite films of 2025.

Rich is joined by Todd Marinovich, former NFL quarterback, to discuss engineered perfection, performance-based love, addiction, and recovery.

Rich is joined by Oliver Burkeman, bestselling author, to discuss productivity myths, accepting finitude, and our broken relationship with time.

Three fasting researchers discuss prolonged water fasts, fasting mimicking diets, and meal timing to address metabolic disease and extend healthspan.

Rich is joined by Katie Couric, journalist and media founder, to discuss fragmented truth, institutional distrust, and the post-consequences world.

Rich is joined by Tig Notaro, comedian, actor, and producer, to discuss loss as a teacher, presence over performance, and creativity without pushing.