serious qustion is really good looking very important? how do you think of it ?

First notebook entry: Introducing myself im 17 now ,i have studied english for five years .but i just know little about it yet .i cant do well in writting ,neither listenning and speaking,.i dont know complicated grammars ,words.,sentences .i just can say some normal words ,just like <hi ,how are you ,im fine ,thx ,and so on > no more ,i even cant understand your simple talking.what should i do ? help me ~!!!!