Hemingway when asked what the best training would be for an aspiring writer. His reply:
“Let’s say that he should go out and hang himself because he finds that writing well is impossibly difficult. Then he should be cut down without mercy and forced by his own self to write as well as he can for the rest of his life. At least then he will have the story of the hanging to commence with.”
~Ernest Hemingway, 1954 Interview with George Plimpton
I find it undoubtedly true that it really is “impossibly difficult,” to write well. Mainly because there are so many different styles and voices when it comes to writing, doing it well is relative. Some folks may follow all the proper grammar rules to the letter, and may be awful writers because they have no voice or passion. While it may be the opposite for others, they could have outstanding stories and characters, but may be plagued by errors, misspelling, and improper story structure. So find your own style of writing and do it constantly, but get input, hone your craft and your style to make it your own.