What is wrong with me?

why do I have good command of English Less Developed? What is wrong with me? "This question may often undermine my mind if my English is still stop there and not being increased. If so my question then I still need to be thankful that with the existence of such a question, in my chest there is a surge to be. You just keep on Trying! Although English is complex (due to a lot of vocab, pronunciation is not consistent, many exceptions, ect. If others can why can not I? The need seek now is what is wrong, whether the method, the level of seriousness, or perhaps for other reasons?