COLUMBUS, OHIO — Area man Derek Fallows, 34, emerged from a nine-minute hallway conversation about "liquidity tranches" and "convexity hedging" Friday with his professional reputation fully intact and his comprehension of the exchange sitting at a verified zero percent, marking his fourteenth such incident since Monday morning.

Fallows, a mid-level project coordinator at a logistics firm whose actual job function remains unclear to both his employer and himself, deployed what colleagues described as a "masterwork" of sustained eye contact, a single precisely timed "absolutely," and three nods of graduated enthusiasm that suggested not just understanding but deep, prior familiarity with the subject matter.

"The second nod was the key," said Fallows, who spent eleven minutes in a bathroom stall immediately after the conversation Googling the phrase "convexity hedging simple explanation" and reading, by his own estimate, none of it. "You do a small one early to show you're tracking, then a bigger one in the middle to signal you've already thought about this, and then a slow one at the end. The slow one means you're processing implications."

"The slow nod is load-bearing. Take it away and the whole structure collapses."

Dr. Penelope Stratch, Associate Professor of Performative Comprehension and Social Bluffing at the Midwest Institute for Interpersonal Semiotics, confirmed that Fallows's technique represents a textbook execution of what researchers call "affirmative opacity," a survival strategy in which confident physical feedback substitutes entirely for semantic processing.

"What Mr. Fallows has essentially built is a very reliable weather vane," Dr. Stratch explained. "It always appears to be pointing somewhere specific. Whether there is any wind is not the vane's concern."

Friday's incident was notable for its duration, though Fallows confirmed it was not his longest. That record, he said, was set in October during a twenty-two-minute conversation with a vendor about "dynamic network topologies," a phrase he described as "words that should be illegal to say out loud to another person."

Fallows said he has refined his system through years of iteration, noting that the most dangerous moment in any conversation is not the question he cannot answer, but the pause he cannot fill.

"If you agree too fast, they know," he said. "But if you wait one second and nod like you just confirmed something you already suspected, you're basically a genius. You're basically the person who saw it coming."

At press time, Fallows had opened seven browser tabs explaining liquidity tranches, closed all seven, and sent a reply-all email to confirm he was "fully aligned" on the matter going forward.