I don't bother trying to explain this anymore. They're never happy to hear it. I just say, I've got a car at home that I've paid my tax on. Then I get the "Fuck off" in first and ride off.
Yep similar - alternatively, I have taken to trying the "do you actually want to know the answer or just argue" approach, when abused / challenged... similarly productive but quite funny seeing the response.
I don't bother trying to explain this anymore. They're never happy to hear it. I just say, I've got a car at home that I've paid my tax on. Then I get the "Fuck off" in first and ride off.