Martin is a fifteen-year-old boy. He used to be a "problem child", but a recent 1 with his mother changed his life. He didn't use to give his mother many problems. 2 , after his father's death a few years ago, Martin's life became 3 more difficult. His mother couldn't afford to pay for her child's education. To do this, she 4 work, and so she was often not at home. His mother looked after him as 5 as she could. Unfortunately, Martin still caused problems. He was not 6 in studying and he often got into trouble. Luckily, his mother was very 7 and didn't give up trying to help him. In the end, she 8 a difficult decision: to send him to a boys' boarding school. Martin hated it and used to cause a lot of trouble. One day, he told his teacher he wanted to leave the school. The teacher said it was necessary for Martin to 9 with his mother. Martin called his mother, but to his 10 , this phone call changed his life. "It was exactly 11 I needed," he said. "My mother helped me to understand how much she had given me. She also told me that even though my father was no longer with us, he was 12 me and would always take pride in everything good I do. That's when I decided to change. I realize that 13 my father died, I have been afraid of being alone, and have tried to make my mother pay more attention to me." Now Martin has 14 changed. He has been working hard and is now one of the best students in his class. How was he able to change? His mother's 15 helped him to feel good about himself.