Jefferey, ep 15?
Fifty shades is not a stranger to this archive….
Use research if you want, though trying to find the niche that’ll take off after you finish a book, that’s tricky. When I’m low on ideas, I’ll use random generators to give something for the brain to start mulling over. Choose some words at random, or maybe a place title, or a random name of a character. Sometimes, paradoxically, narrowing down the choices can help you choose, or at least, give you a place to start thinking.