Willpower is like a muscle that gets tired the longer it is in use. For example, a smoker who has not smoked a cigarette all day is more likely to get into a fight with his wife.
Positive thinking makes life easier, but the key to success is discipline. Fortunately, one can practice discipline by training one's willpower.
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Overall, I have formed three major organizations: the National Association of Business Women, the Young Women's Leaders Network, and the Joyce Banda Foundation. Under the foundation, we have a huge program that targets women to teach them about HIV and other diseases and to give them economic empowerment.
You can either be in the Ron Paul tradition and say there's nothing wrong with heroin and cocaine, or you can be in the tradition that says, 'These kind of addictive drugs are terrible; they deprive you of full citizenship, and they lead you to a dependency which is antithetical to being an American.'