根据短文内容回答下列问题。 Asia Pop Idol(偶像)：Rain He uses his stage name, Rain, when he works as a singer and dancer. His real name is Jung-Ji-hoon and he is also a famous actor. He showed his interest in dancing ever since he was in the 6th grade. As a ager, he was part of the boy band(乐队) group called 'fan club'. Years later, Park Jin-young (Korean singer) took Rain under his wing and trained him for years in dancing and singing. During those training years Rain was not at home much and didn't have enough money, so at times he had to train without meals. Finally in 2002 the song 'Bad Guy' made him famous. Following the success of the first album(专辑), he came back with a new set of music in his 2nd album. In 2004, he acted in a successful drama called Full House which was welcomed in other Asian countries such as the Philippines, Indonesia,China, Malaysia, Thailand and Japan. His performance in Full House has won him the 'Best Actor Award' at the KBS Acting Awards. It is hard to describe his dancing with words because it is a mix- ture of so many different elements. He has created a whole new style of his own. In Beijing he won the 'Best Korean Singer' Award. Since his success in 2002, the 26-year old has become one of the most popular Korean artists in Asia. Singer Park Jin-young once said to his friends, 'I was always wondering whether Rain understood what I said because he never said anything when I scolded (责备) him. One day I entered his room, and was surprised to discover a wall covered with notes. Every note was filled with my words and advice. 'Rain had written down every single piece of advice his older friend had given him and had been doing his best to correct his mistakes and improve his skills. 1. What is Rain's real name? 2. How is Rain's life during the training years? 3. When did Rain become famous? 4. What made him win the 'Best Actor Award' at the KBS Acting Awards? 5. Who discovered the notes on the wall of Rain's room? 5. Did Rain try his best to correct his mistakes? 7. What can we learn from Rain?