Few things are more annoying than nosey people following you from site to site, it's really online stalking, sticking their noses in things that are none of their business, just so they have something to gossip about. "Nosey" is how "nosy" should be spelled, with the nose right in there, the way people stick their noses in other people's business.
A mathematician will throw up his hands and never start because he knows he can never get there. But, an engineer will be off and running because he knows he can get close enough for all practical purposes!