Your thoughts, positive or negative, trigger certain emotions.  Sometimes you may not understand why you're experiencing a certain feeling -- be it rage, regret, or optimism -- until you do a little mental gymnastics. Ask yourself this question: What specific thoughts crossed my mind to spark these feelings? Maybe it was thinking about your boss dropping a project on you at the last minute. Perhaps a commercial ran that you remembered first aired five years ago while you were having a terrible fight with your ex-spouse about his drinking habit, which ultimately derailed the marriage. Maybe your friend's putting in a good word at work for the new sales manager position you've been eying elevated your mood. Sometimes the most seemingly inconsequential event can stir up a range of emotions. I, for example, often find myself feeling a bit glum on cloudy days. Yet, you can probably relate to feeling rather ecstatic at the thought of Friday being just a few hours away.  Whether i...