During his holiday in Germany, the man met a high-class prostitute, they had a few drinks and then went back to her place where sex was performed all over the house and in every position possible. The next morning he thanked her profusely for such good German hospitality and headed for the door. ?Just a moment,? she said. ?What about the marks?? ?Oh right,? he said. ?I?d give it nine out of 10.?