I try to always be fair, and it takes a lot to get me upset. Over they years I have had a few people get under my skin. After numerous times of telling the same person not to do the same thing, I sent her outside. Not to come back inside all day. After a couple hours of picking up things and cleaning she started back in the house. I met her just inside the door, and calmly sent her back outside. Told her that I could have her on a plane back home if she didn't like it. You can't do that, as I pulled my phone out to call to get her a ticket she decided that maybe she would listen.
It is very tough to not loose control when you are working with stupid people with no common sense.