7. Swearing
Swearing is one of the things that really annoys people. If you have nothing good to say, just don’t say it!
8. Not mingling in the office
It shows other people that you think you are better than them, or that you’re maybe just boring. It is best to act friendly and approachable. You don’t have to be buddies with your coworkers but you need to build a good relationship with them.
