A long time ago in an English pub, someone told the bartender to mind his P’s and Q’s. What he was saying was to keep out of the customer’s business, and mind his own businesses, which was inventorying P’s (pints) and Q’s (quarts).
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A long time ago in an English pub, someone told the bartender to mind his P’s and Q’s. What he was saying was to keep out of the customer’s business, and mind his own businesses, which was inventorying P’s (pints) and Q’s (quarts).