(My store has three registers. I am stocking a shelf when a customer stops in front of the registers.)

Customer: “Which register?”

Me: “I can ring you up on the second register, ma’am.”

Customer: *points to the third register* “That one?”

Me: “No, the second one.”

Customer: *points to the first register* “That one?”

Me: “No, ma’am, the second register. This one here, with the light on.” *points at the second register*

Customer: *angry* “Why isn’t this more clearly marked!? You should make it clearer which one is the one you’re on!”

(Despite what I’ve said, she still walks over to the third register and drops her items on the counter. I walk over to the second register and put in my code.)

Me: “I’ll take you over here, ma’am.”

Customer: “You should’ve said that before I put my stuff down!”