The hardest personal goal I’ve ever set? Getting a six-pack. Out of all my personal challenges, that’s by far the toughest. Climbing Mt. Everest, surviving alone on Mars,fighting off a pack of hungry wolves – all of those seem like child’s play compared to the relentless struggle of sculpting even one pack, let alone six. It’s the Everest of fitness goalsdeceptively simple but brutally elusive.