Not A Measure Of Intelligence

(I am helping a customer load some insulation. We were unsure if it would fit. This occurs after it did, in fact, fit.)

Customer: “The insulation fit by like that much huh?”

(The customer holds out hands gesturing about a foot in length.)

Me: “Yeah, I guess so!”

Customer: “Wanna know how I knew it would fit?”

Me: “How?”

Customer: “Because that’s the size of my c–”

Me: “OKAY! Have a good day!”