replacing a small amount of complaining, worry or fear with praise, hope, or belief can truly be life-changing. just hit the submit button and wait until your score card will appear on your computer screen. press the button at night when you are in bed and turning the lights out to go to sleep. but it is reasonable to ask: “why trust the words of a single man who lived two thousand years ago? as brazil and the gulf of guinea( figure 1). 