People assume BASE jumping is about chasing an adrenaline rush. Andy Stumpf says the opposite is true — he hates the hyper-adrenalized feeling. What he was chasing was the profound settling, the anchoring, the static of everyday life dialing down to zero. That clarity lasted for months. That's not an adrenaline high. It's something else entirely, and it's one of the most powerful states a human being can reach.