During my second or third year of officiating I got to work with an old timer who was all about "PRIMARY". I made a travelling call that he didn't see, and was very obvious. He gave me a death stare and at the first time out asked me why I would call something in his primary. I told him that I usually don't unless its pretty blatant. He then told me to not do it again and to stay out of his primary. I told him that I would have no problem with that if he got all the obvious calls right.

Never worked with him again.