February 26, 2020:

Johnny Verygray is extreeeeemly impatient with the checkout process.

Not the checker's fault: there's been a power outage, the systems are recovering.

Your author tells him, holding back laughter, "I bet you were an impatient four-year-old."

There's laughter up and down the aisles which naturally only adds to the old grump's grumpiness. In the end he bails for a different register. While the stressed-out checker and I exchange a glance of amused world-weariness.