I used to park free without getting done on yellow lines, this was in a town near Wigan. A traffic warden who was an eccentric older lady, did get a lot of abuse from people. I always took the time to say good morning , and chat to her. I would always ask, I am not allowed to park here am I. She would always reply, you've got five minutes, she never gave me a ticket. When I went into town, I always parked on the streets that she covered, she always shouted you have got five minutes, smiled and waived. Just a case of knowing how to work things