Yes, the words I hear are not necessarily the words that are spoken, and frequently I have to suppress a laugh when my mind scrambles up a word that I know is so off the wall that it can't possibly belong in the conversation. Many times, though, I'm not aware that I'm hearing the words incorrectly and won't discover it until someone makes a remark that I'm not paying attention or that I'm trying to change the subject.
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Stung by the splendor of a sudden thought. ~ Robert Browning