Ever have one of those coworkers that just couldn't figure out how wrong they were? Even when you showed them they were making mistakes, they refused to believe you? I don't tolerate stupidity very well, especially when I have to do more work to correct you.
CP: You forgot to do this. Again.
Twit Of The Day: "Well, if you're not making mistakes, you're not learning anything."
CP: Then you should be the smartest person in the pharmacy.