OTOH, it is known that not announcing gives you the motivation to work on your exciting surprise, and announcing (while not committing) gives you the thrill of

OTOH, it is known that not announcing gives you the motivation to work on your exciting surprise, and announcing (while not committing) gives you the thrill of gossiping/boasting and can deflate your excitement once your idea is mentally published and only the borof part of execution remains. You need to keep a list of exciting milestones ahead -- announcing to another important audience, winning a contract, whatever