As an adult, I always admire my children who can happily run around the house without any annoying things. All of their world are full of joys and great care from parents. I try my best to improve their life condition. Meanwhile, I always suffer from insomnia caused by the annoying things from family and work. Even if I feel tried in the morning, but I have to get up and do everything on my daily schedule. Day by day, I slowly get old, my children grow up. Maybe one day, my children will feel annoyed due to many things, such as relationship with friends, academic achievement or even love. They need to be respected by others. I will slowly quit their lives. I will not busy taking care of them. They can do everything themslves. If I am old enough to be retired, they will take care of me. My world will be full of free time and other interesting things. This is a nature rule. We start from a happy childhood, and end with a happy time like a chid. Between of them, we experience the real life which is full of happiness and hardships.