Hmm, most muslim men are extremely clean, I think the people you are referring to as being a bit ripe are the poor guys who dont have access to showers and proper toiletries as their first priority is being able to eat. This has no religious bounds, it is more of a financial issue. I know you will say a bar of soap only costs a few riyals but these poor chaps dont even have access to properly wash their clothes. Given the choice between a bar of soap and a bag of bread I would imagine they would choose the bread hands down.

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"Diplomacy is the art of saying 'Nice doggie' until you can find a rock - Will Rogers"