(I rang up a customer and about ten minutes later, the woman comes back in, cuts in front of the rest of the line and begins yelling at me.)

Customer: “You never gave me my credit card back! You stole it!”

Me: “No, ma’am, I did not steal your credit card. I gave it back to you.”

Customer: “No you didn’t! I know you stole it! I demand my credit card back!”

(This goes on for ten minutes as I continue ringing up other customers, all of them staring at the insane woman screaming at me.)

Customer: “I looked everywhere and I cannot find my credit card! I know you have it!”

(She opens her wallet to show me that her credit card is missing. I spot the credit card in her wallet.)

Me: “Is your credit card a light-blue visa?”

Customer: “YES!”

Me: “…It’s in your wallet, right there.”

(She storms out with an attitude and doesn’t even apologize.)