The best advice is not to write what you know, it's to write what you like. Write the kind of story you like best - write the story you want to read. The same principle applies to your life and your career.
Austin KleonArt is theftโ) and Igor Stravinsky (โLesser artists borrow, great artists stealโ), Iโve always stolen from the people I admire โ not plagiarized, mind you, but stolen bits of ideas and stylistic influences. If you steal widely enough, after all, your models are inevitably changed and the result is in the end completely yours. Kleon cites Andrรฉ Gide to this point, in a quotation I love: โEverything that needs to be said has already been said. But, since no one was listening, everything must be said again.
Austin Kleon