Hey Zak,
"Continual use" is the key. No matter what the multitude of marketing copy out there may say - there is no instant "cure" to any situation. There is the instant in which one takes a new action and experiences an instant "change", in that moment. However, unless that moment is followed by "continual use" of that method then their will be no "cure".
I would highly recommend, whatever system(s) you decide to use that you opt for the "continual use" method. It is the only way to reach "an imperturbable state" and to stay there.
The only way to mastery is through contant practice.
Best wishes! 
