When is Good Grammar Correct?

So let’s talk grammar. If you were writing for a college course or a college professor you might be expected to write perfect grammar. Less than perfect
might have disastrous consequences. But when you are writing novels good grammar may be more desirable than perfect grammar.
Huh?

How to Write the Perfect Novel Every Time

I’ll admit right up front that there is no such thing as a perfect novel. There are millions of readers out there and every one of them have their own idea of what constitutes a good or great novel.
So, perfect novel? No! Good, yes.
So what constitutes a good novel?