There is some misconception about stress sometimes. The first man that had stress was initially present for one thing only and that was survival. we have transferred this stress to be more sophisticated to a level of reward and punishment. We operate under the level of achieving goals with presenting some stress in meeting the goals. Stress today has changed into our own intrinsic motivations. We work with in the stress of task, time, technique and talent. Each of these areas are important to achieving our own self fulfilling satisfaction. Looking at all three stresses are necessary in some conditions. Stress becomes unhealthy when we can't control its duration and purpose. Depending on your profession stress could be your adrenaline rush which gives you positive vibrations.