Buddha once said, "Happiness does not depend on what you have or who you are. It solely relies on what you think." Marcus Aurelius echoed that sentiment in stating that "the happiness of your life depends upon the quality of your thoughts." The common thread here is that the mind exerts a powerful influence on our happiness. Two people can be in the same exact situation -- say, waiting in a long line for an amusement park ride -- and process the situation differently in their heads. One person might grouse that it's hot and they're wasting time waiting in line when they could be doing so many other things. The other might feel the wait is well worth it if it means enjoying an experience with his kids that they'll likely treasure for the rest of their lives. As I've stated in earlier posts, there are two surefire ways to feeling happier: (1) Giving to others, and (2) Being thankful for what you have. Though most of us don't have ever...