An attractive girl was sitting in a bar when a young man approached her. "Excuse me" he said, "can I buy you a drink?" Suddenly the girl screamed: "Take me to a hotel and do what? How dare you!"
The poor chap retreated to his table, while everybody glared at him as if he was a pervert. After 10 minutes the girl came over and said: "I'm sorry, but I'm a psychology student studying human behaviour in unexpected situations.
The man looked at her and shouted: "One hundred pounds? You must be joking."