EPISODE · Apr 21, 2026 · 18 MIN
The Biology of the Blank Stare
from The Human Diagnostic
A Tuesday afternoon in August. Compressor seized on a 19-year-old system in a brick ranch south of Kingfisher.A woman at her kitchen table said okay. Said okay again. Then her eyes went somewhere past the table and didn't come back.Not crying. Not angry. Not weighing the numbers. Just absent.Most customer service training covers two states: mad and scared. There's a third. Dr. Stephen Porges named it polyvagal shutdown. Forty-five years in, Dave had been recognizing it by feel for decades before it had a word.What Dave learned on that call: pushing harder is the worst available move. Shrinking the ask is the only thing that works.Core line: "The body knows when it's safe again. Your job, if you're sitting across the table, is not to be the thing it's still scared of."Give Us A ShoutThanks for tuning in to Hartzell's Heat & Air, your trusted HVAC experts in Oklahoma and beyond. From Kingfisher to coast-to-coast consulting, we design, install, and maintain smart, efficient systems that deliver year-round comfort.We're employee-owned, family-run, and powered by 45+ years of experience. Whether it's AI-powered thermostats, geothermal systems, or classic tune-ups, we deliver upfront pricing, expert care, and warranties that back it all up.🛠️ Book Online:https://book.housecallpro.com/book/Hartzells-Heat--Air/4a569038b3dc460daf2d5f6497b18351?v2=true🌐 www.hartzellsheatair.com📞 (405) 375-4822🚛 Trane Comfort Specialist • Mitsubishi Diamond Dealer • ClimateMaster Elite🛡️ VIP Comfort Club • Remote Monitoring • Extended Warranties📲 Follow us for tips, updates, and real-world installs:YouTube: @hartzellsheatair6003X: https://x.com/HartzellsHVACFacebook: facebook.com/hartzellsheatairLinkedIn: Dave HartzellBuilt on trust. Backed by warranty. Designed for comfort.
What this episode covers
A Tuesday afternoon in August. Compressor seized on a 19-year-old system in a brick ranch south of Kingfisher. A woman at her kitchen table said okay. Said okay again. Then her eyes went somewhere past the table and didn't come back. Not crying. Not angry. Not weighing the numbers. Just absent. Most customer service training covers two states: mad and scared. There's a third. Dr. Stephen Porges named it polyvagal shutdown. Forty-five years in, Dave had been recognizing it by feel for decades ...
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The Biology of the Blank Stare
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