Is your neighbor jealous of that new car you worked so hard to buy? Let them. Is your perpetually single coworker envious of your 20-year marriage? Let them. Does your friend begrudge you the passion you have toward your hobbies and life itself? So be it. Let's face it: Not only is it impossible to please everyone, but there will always be someone who will try to put us down for the simple fact that they lack something we have. Don't pay any attention to them. Rather than satisfying your urge to confront or lash out on this individual, you could try to share your positive vibes. See if your zest for life rubs off on them. That way, they are more likely to focus on what they already have rather than yearn for what they're missing. Or, they can set and work toward goals rather than harp on what others possess, which is really none of their business. Now, if you go around boasting of your possessions in person or on Facebook, you may very well be engendering such...

Whatever you do, don't harp on the past . Reminiscing is good, but only up to a point. If you find yourself stuck in the past rather than focusing on present and future goals, you're only inhibiting your growth.  Sure, we all have moments where we reflect on happier times in our life and say, "I almost miss those days." But we are prone to such thinking when faced with challenges in the present that drag us down. But why not tweak your thinking and reason that once you surmount those challenges, you'll be even happier -- and feel more accomplished -- than you did in the past? Then there are those of us who ruminate on bad experiences in the past -- a close friend inexplicably stabbing us in the back, a significant other we envisioned ourselves being with our whole lives suddenly proclaiming their need for space and effectively ending the relationship, an outstanding job opportunity that slipped through our fingers. But brooding over the past i...