#27: You Need to Get Your Eyes Checked
There is nothing more annoying than working with someone annoying. People can be annoying for a lot of different reasons, and sometimes these reasons aren’t exactly fair, but then there are other things that people do that validate your reasoning for them being annoying.

Can you imagine having someone come up to you in the office and mansplain how to use a machine that you have already finished using? Does this guy not have eyes, why would he ask such a question and then proceed to demonstrate?