What if you could write 60,000 words—or make serious progress on your dream project—in just three months? The key to achieving this goal is to build a habit of writing regularly. Sounds impossible? It’s not. It’s math. And it’s about to get a whole lot more fun. This October, I’m kicking off the Write On! 90-Day Challenge—a community-powered push to get words on the page, no matter what you’re writing. A novel. A memoir. Blog posts. Journaling. Song lyrics. A screenplay about a dog who secretly runs for mayor. (Hey, no judgment. If it gets you writing, it counts.) The aim is to help you establish a consistent writing habit…