when the time comes~ u will eventually know how this positive thinking positive feedback works~ but let me tell you a little secret to make it happen~ in order to work this positive thinking abilities~ 1 must be freed from your daily routine~ and doesn't have obstacles in mind path~ so that u can think indirectly out of your mind and connect to this positive thinking power~ you can feel the power thru meditation~ but it is the 1 fate that to meet such power~ ~ and Positive Thinking works Greater with the power of WILL~ example~ YOU wish the world will become a Better Place~ there is like millions of people also wish for this~ of course it will happen~ ~ 2nd if u wish to achieve great marks in your exam ~ 1 must take the initiative to study! you can just sit there and do nothing~ eventually u can't achieve great marks in your exam~ you must help yourself ~ you can't just sit there and wish for it ~  but Positive thinking does leads to Positive Mood~ our brain have the power to change the world~ can good exist without evil? can there be light without dark? can there be positive without negative? can there be hot without cold? can there be food without hungry?~ and the answer is No~ if something exist The POLAR Opposite must Also Exist~ ~ bad side always exist in our life~ so we must control it :) Good luck ~ i can see u have a long life to live~ i learned palm reading~ hehe :) GAMBATEH! u can Make it HAPPEN! it is whether u want or not :D