I know this is designed and programmed by the developers of those sites but it tells a lot about what goes on in our lives. If you surround yourself with positive thoughts or ideas, more positive thoughts will continue coming in and with time you will dispel every form of negative thought.
If you focus on thinking out solutions to life challenges rather than sitting back to complain and creating excuses, more solutions and ideas will fill your head and with time all the thoughts regarding the challenge that would have weighed you down will gradually become a thing of the past