"The gods would take him and leave me bereft, and I curse them!" "I have cursed them for years," said Ista dryly. "Turnabout being fair." - Lois McMaster Bujold

Don't worry about that depressing old dictum "Write what you know". If you need to know something, look it up. Learn how to find out what you need to know to make it right. Be passionate, be picky, have enough self-criticism to demand of yourself your best and not sort of let it slide by. And remember that the greatest defect any piece of fiction can have is not to be finished.

General. Prudence is one thing. Paranoia that can’t tell friend from foe is quite another.

"Mia Maz glanced aside in concern at his muffled snort. "Are you all right?"
"Yes. Sorry," he whispered. "I'm just having an attack of limericks."
Her eyes widened, and she bit her lip; only her deepening dimple betrayed her. "Shhh," she said, with feeling."