There are lots of definitions of what nervousness basically is - one of the better I've encounter is: "Stress and anxiety is essentially a concept within the unconscious intellect to focus on the points you would like to transpire instead of the things which you truly don't want to happen." http://jeffreykbtjz.get-blogging.com/5588192/managing-worry-attacks-phobias-ocd-ptsd-and-also-other-anxiety-ailments