It is easy to notice as the habits are molding our life, for example when we got used to rising to certain hour, normally we awoke without needing a programmed clock, is not in all the cases, but what it is demonstrated it is that the body adapts to different needs, the feeding, sleeping, and exercise is example of physical habits, are not simple to change but with determination and we obtained to exigency, some psychologists show it that 21 days are required to begin to install a new habit, this is valid for certain daily activities, but what happens to our internal beliefs? Our internal beliefs are many more obstinate than a physical habit, the difference is we have constantly fed that them during years and are inlaid in the deep thing of our being, to modify that information requires of appropriate techniques, mainly if we wished to have changes of life in the short term. The characteristic of any belief is that we internamente are convinced on the veracity of a fact or information, the subconscious mind never evaluates without a situation is favorable or unfavorable for the conscious life, the truth does not rationalize, simply it fulfills and so we have programmed and it looks for to keep it, the great secret of the success then is to maintain ideas positive, logically that always we are fighting to surpass to us same and to overcome all class of beliefs obstacles. In the book Modifying Our System of Beliefs to achieve the success of Steve Alpizar you will understand you reason because a belief looks for to stay and most important it is than it will eliminate of his life all the negative information that it is an obstacle for the life that wishes, when reading this book it will change his perception of the world and will create a reality organized along with his desires. ..