> ... Hmm, that may explain why the waiters in Denmark always smile to me. In stead of admitting that I don't have a clue about how much I shall pay, I maybe give them too much tips. Or they give me too little change back. I'll try to be more alter the next time I go there!
There was a well-known author - I have forgotten his name - who claimed that he managed a similar situation (paying for a taxi, or the equivalent of that time, outside of his home town) as follows: He carried with him a bag with many small coins. When the time came to pay, he slowly put one coin after another into the hand of the taxi-driver, observing his face. If the taxi-driver smiled, he quickly withdrew the last penny.
Difference in opinions hath cost many millions of lives: for instance, whether flesh be bread, or bread be flesh; whether whistling be a vice or a virtue; whether it be better to kiss a post, or throw it into the fire... (from Gulliver's Travels)