Have you ever asked yourself in the past "does this really work?"
If so, what happened when you went ahead and bought it nonetheless?
It probably didn't work.
So here's the thing...
It's really hard to convince yourself otherwise if you've already made up your mind.
And if you've (consciouly or unconsciously) already made up your mind, it will probably not work.
So yes, it really works. And no, it will probably not work for you...