There are folks on the job who really know how to get on our nerves. Is there a manual for what pisses us off? As much as you want to slap a person, you know you have to keep your cool in order to keep your job. This doesn’t mean you have to be super close to them — just maintain your professionalism so you don’t land on anyone’s radar for being unruly. Here are some ways to keep your temper in check at work.