Once the initial shock wears off, Castiel realizes the cashier is a hunter. She doesn't look like one.
Judging from the speed and frequency of her blinks, she has dust in her eye. The experience, he knows, is unpleasant, and he watches sympathetically.
"Yes, falling was very painful," he admits, his mouth tightening at the memory. "Excruciating, in fact. For the record, it felt far worse than when you delivered your illegitimate son without anesthesia."
She doesn't have dust in her eye anymore. Perhaps she is choking – her face is an unbecoming shade of purple. He nods briefly.
"Good day."
It's been used before. But please review. Thanks!