Airline flack: "I'm going to need you to check that carry-on."
Me: "No, because there's a CPAP in this carry-on."
Airline flack: *blink* "Oh. Never mind."
Airline flack: "I'm going to need you to check that carry-on."
Me: "No, because there's a CPAP in this carry-on."
Airline flack: *blink* "Oh. Never mind."