Most workers don't realize that what they say has as much impact on their professional imges as what they wear. People who say too much, about themselves or others, can be seen as incompetent, unproductive and unworthy of professional development.
11. Hangovers and wild weekends It's perfectly fine to have fun during the weekend, but don't talk about your wild adventures on Monday. That information can make you look unprofessional and unreliable.