When Stress is present in your daily activity, your sympathetic nervous system is jolted, and an emergency cocktail of hormones and neurotransmitters are dumped into your system. These substances increase muscular tension, constrict the circulatory system, Increase your heart rates, and compromise your immune system. In short, if stress persists it can result in fatigue, exhaustion, and illness, as your body is Breaking down faster than it can repair itself. Furthermore, when you are under stress you become less effective because you are overwhelmed. You lose confidence as you obviously cannot cope with it. Finally, your relationships become unmanageable because you are not yourself.