You may be an annoying co-worker if you constantly say "uhm" or "like," or if you continually bug colleagues to purchase something for your child's latest fundraising project, Anthony Balderrama writes. Other bothersome behavior? "If you are chewing gum, have the decency to keep your mouth closed and not make a loud popping noise. That startling, incessant pop is breaking your co-workers' concentration," he writes.
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