1) Figure out the type of person who caused the trauma
2) Learn their psychology/world view (there are books on abusive personalities)
3) Learn to recognise them quickly
4) Have a plan to deal with them
5) Profit (you'll always have the upper hand)
By doing this you take away their ability to do anything. For some types this riles them up, which can be advantageous in eliminating the threat but also dangerous. You can plan for this.
FWIW nicotine in cigarettes is only as addictive as it is because tobacco also contains short acting MAOIs (monoamine oxidase inhibitors - harmane and harmaline, the same ones combined with DMT) and other additives that relax the airways and increase nicotine absorption.
Smoking a cigarette is like taking a fast acting but short duration antidepressant along with a mild/moderate stimulant simultaneously, which has been specifically engineered to go from lungs to brain in the shortest time possible.
Switching to vaping from smoking has a transition period ranging from a few days to just over a week while the brain adjusts to receiving the nicotine much more slowly. Vaping relieves nicotine cravings, but at normal doses in an ex-smoker barely scratches the surface of the instant relief/rush delivered by a cigarette.
Nicotine itself and on its own is relatively harmless to an ex-smoker. But should still be avoided by non-smokers.
Most of the harm caused by cigarettes are related to the tobacco-specific nitrosamines found naturally in tobacco which are carcinogenic, combined with additional carcinogens and harmful compounds created when tobacco combusts.
That said many of the flavourings used in e-cigarettes are harmful to health, especially when heated. Most notably sucralose, which itself partially decomposes into carcinogenic compounds when heated to temperatures reached by vaping. But that's another problem, my main point is that nicotine is only about as harmful as caffeine when consumed alone outside the context of a cigarette.
Some suckers will throw money at that if you give it a colourful website with plenty of vague promises that you never have to deliver.