I've studied NLP, and Mystery Method quite a lot. Personally I owe them a lot of my success, but not directly.
Mystery Method uses logic, and science, and NLP uses real psychological manipulations, and both are great for meeting women and building attraction. However I don't find either of them any better than anything a person can do naturally. The main thing with pre-scripted routine based game is it gets you out there and gets you talking to, and meeting women.
Statistically if you go up to 100 women and directly ask them to sleep with you, 10 if them will say yes. Law of averages is 1 out of 10 so if you approach 1000 women you can get 100 of them no matter what game your using.
If you want to walk up to a woman, and not use something you memorized, or wonder what phase am I in, can I kiss her, what routine should I use. Practice. Just meet as many women, and men as you can attractive and unattractive. Make friends, make moves, get blown out, fail, succeed. The more you practice socializing, and trying to get laid, the better you'll get at reading women, and being yourself to get women. If being yourself doesn't work, its because you haven't developed yourself enough through social interaction.
I say the key to success if practice practice practice

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