A few days ago, I came across a picture on Facebook that had the following caption: "We buy stuff we don't need -- with money we don't have -- to impress people we don't like." Perhaps you can name a few people in your life -- whether at work or at the gym -- who do precisely that. Maybe that person has been you from time to time. The sad reality is that people often become so hung up on the things they perceive as missing in their lives that they lose sight of everything they already have. In many cases, this results from direct comparisons to people in their circle, thus igniting the urge to "Keep up with the Joneses." As I've said before, there's nothing wrong with indulging yourself every so often. Eat at that fancy restaurant you've been wanting to try. Buy yourself that expensive pair of shoes you say online. You work hard for your money; if you have the means, why not? I take issue, however, with people who have to have the...