Stress decreases willpower, self control and weakens your resistance to old bad habits. Stress comes primarily from four places:
The key to not giving into the caustic effects of stress is awareness. Being aware that you are experiencing stress and being aware that that stress might cause you to make bad decisions wakes up the pre-frontal cortex, which typically shuts down or hibernates under stress. Once the pre-frontal cortex is woken up it can come to the rescue and stop you from doing any damage. But the key is awareness to stress. Awareness puts you on the offensive against bad choices, bad behavior, negative emotions and bad habits.