Seems to me that LokTite has a formula that doesn't weld the screw in but holds it firmly so it won't back out. You don't have to destroy the screw (or bolt) to get it out.
Kortik is right on. "You got to start doing things by yourself sooner or later."
Nobody is born with the tools in their hands. When you're that young it's too hard to hold on to the crescent and butter knife.
