帮我看一下优美语法错误或者单词时态之类的不对的,或者那里语句不通顺的!

帮我看一下优美语法错误或者单词时态之类的不对的,或者那里语句不通顺的!
My changed
How I've changed?Do you want know?OK!Let me tell you!When I was a child,I used to be afraid of the dark,for me,the dark is very terrible .But now,I am not terrified of the dark,and I'm used to terrifiedspiders,for this,I have no chang.Uh-huh.About appearance.When I was a child,I used to be short,now,I'm a talled.And I used to have long hair,now,I just have short hair...I'm so depressed!I like long hair!For learning,I used to like gym class and art class,but now,I don't like gym class,so tired!Really!In fact,I want to be a child!