How does the barber in Hernando Tellez’s “Lather and Nothing Else” show integrity?

How does the barber in Hernando Tellez’s “Lather and Nothing Else” show integrity?
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Example claim you can use: The barber in Hernando Tellez’s “Lather and Nothing Else” shows integrity because_______________________________________________________. The barber says ” __________________________________________” when he is _________________. This shows that the barber has integreity because …….