If youve had attempts before you know where your pitfalls are going to be and find alternative coping strategies. When smoking to combat stress just think for a second what you are doing, your aim with stress is to calm down, lower the blood pressure and heart rate. One of the effects of nicotine is it raises the heart rate and blood pressure so in reality you are enhancing the stress, just think about it especially when its obviously your heart your concerned about. Most quitters admit they handle stress better as a non smoker!