New GMs think "NO" is the most powerful tool at their disposal. Experts learn that "YES, BUT..." is actually far more powerful.
You know what's the best Energy Drink for Gen Con? Water sprinkled with AT LEAST 6 HOURS OF SLEEP A NIGHT. ;)
The essence of gaming advocacy is to share your enthusiasm about the games you love, not your distaste for those you don't. Be an advocate!
Turns out the word "doom" comes from the Saxon word for "law". A Doom Book would make for a pretty fucking metal artifact for a Paladin.