Last Tuesday my friends spent 14 minutes deciding where to go train. Fourteen minutes. Four of us, three opinions about that rooftop downtown, one person who wanted the park with the low walls, and nobody willing to commit because nobody wanted to be the one who picked wrong. I opened a browser tab, typed six parkour spots into a spin the wheel tool , and hit spin. The wheel landed on the bridge underpass. Everyone shrugged. We went. The session was solid. Nobody complained. That 14-minute argument wasn't about training spots. It was about decision fatigue ; the slow erosion of your ability to make good choices after making too many mediocre ones. And it happens constantly in contexts far more consequential than where to practice your kongs. Why humans are terrible at random selection We think we're good at picking things randomly. We're not. Ask someone to pick a random number between 1 and 10, and they'll disproportionately choose 7.…