This can help your writing sound more conversational, so it's easier to read. There is no bad first draft. You don't expect excellence in your first try, and you won't find it unless you allow yourself the freedom to write without worry. Rewriting is a natural part of writing. The best writers all appear good because they've rewritten themselves.
Inspiration comes from perspiration.
You have to work for it. Allow yourself to learn by reading material other than your own. Partly, it's style. Some people think style is inherent, as if writing ability were like blue or brown eyes. Rather, it is something you work at.