请英语高手帮我修改一下这篇作文！改一下语法和逻辑错误以及不妥之处~

I Want to Change Something about Myself
Before I prepared to write this article, I had never considered changing anything about myself. In the past, I often complained whenever I was blamed for my mistakes, and I felt bad about it. Gradually, I became more and more selfish and over-confident. But now I have grown up, I need to change this behavior. Perhaps I cannot control others’ views on me, but I am able to change myself for the better. W. Edwards Deming said, “It is not enough to do your best; you must know what to do, and THEN do your best.” In order to get ready to face the world’s fierce competition, I want to give up my bad habits, the way I treat others, and my attitude toward study.
First of all, I want to throw away my bad habits, for instance, getting up too late every day. You may not believe it-----as far as I know, getting up early is too difficult for me. I often sleep for fifteen hours continuously so that I waste a lot of time. However,I can obviously d