I think we all human beings want to be happy in every circumstances that we face and being the winner.As a matter of fact,life is ups and down that you may not get something which was  good before 1 minute or less,there is no gurantee.Where ever you go,what ever you are working,you have to know something if you really need your life changed.The new researched result of being happy in most of your life paths is this...

BE SATISFIED IN ALL YOU HAVE WORKED AND GAINED;Without satisfaction,you can't be happy and you always strives to search and get the most valuable thing on the earth that will make you rested.But,you have to satisfy in the results that you get in Every sectors of your life.However,it doesn't mean to the saying 'be satisfied and do nothing more' but it means you have to work and earn more in terms of financial and economical flows but be happy at the current situation that you really have.