"Can I ask why you're wearing such large boots?"
"It's a free country, you can ask what you like," I answered his question literally, there was a pause before the penny dropped, if it did drop, they're not that bright really.
"Why are you wearing such large boots?" he repeated his question.
"It's a free country," I said without a smile, "if you want, you can go around asking stupid questions, every one else is free to choose their footwear."