All personal breakthroughs being with a change in beliefs. So how do we change? The most effective way is to get your brain to associate massive pain to the old belief. You must feel deep in your gut that not only has this belief cost you pain in the past, but it's costing you in the present and, ultimately, can only bring you pain in the future. Then you must associate tremendous pleasure to the idea of adopting a new, empowering belief.