If you have bought this product, then you are looking to make a positive change in your life, possibly to lose weight or stop smoking.
To link this in with NLP, the language that we see or hear on a day to day basis can have an impact on how we behave, and our attitude towards certain things. Reading positive messages about the area that you are looking to change can directly influence your attitude towards it, and can help with instilling the belief that you can achieve your goals.