Two Points Make A Line, But Three People Don’t

(I’m at the front desk and there’s a line of three people. A middle-aged school teacher walks up to the counter.)

Patron: “I have a question.”

Me: “I’m sorry, but you’ll have to get back in the line and wait your turn.”

Patron: *looks at the line* “Young man, I would hardly call that a line.”

Me: “What do you mean?”

Patron: “Three people don’t make a line. You really should be more clear about your line policies.”

Me: “Line policies?”

Patron: “Three people isn’t enough to call it a line!”

Me: “You would have to ask the people standing in line about that.”