Here's how to think about your task in writing. If you can pull it off, anything goes. Not at all. Writing is an inescapably psychological game, since you have to crawl inside your readers' heads and figure out what's likely to have the desired effects on them. It's that simple.
Rules are tools.
Don't think of them as bureaucratic regulations designed to get in your way, and don't think of the chance to bend them as a special treat. Instead, think of them as a collection of techniques that are likely to have the desired effect on your readers. Every style, every genre, has its own guidelines. Other styles have other rules, and all you can do is learn what works in what genre. Whatever works works .