I work with customers, customers are often rude. One customer said to me the other day, is that what you call a bad hair day. c**t. People say rude stuff. You are aware you sometimes sound bored speaking the survey, its not surprising people comment sometimes. Don't worry about it too much, play with it sometimes maybe, or go off script and say random stuff to amuse yourself if you get the chance.
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Nothing lasts but nothing is lost