We have all experienced days that were less than what we expected. The best way to pull out of your negative mood is to focus on one good point of the day even a small thing like appreciating your first cup of coffee being ready when you get up because you can set your coffee pot for "auto-brew". From that first good thing you keep on going...
Your "Rant of Appreciation" will be something like this:
I enjoy my first cup of coffee when I get up in the morning. I like watching the sunrise, I appreciate the vehicle I drive and the CD player that lets me listen to anything I want. I am happy with the back roads that get me to work; just as fast as the freeway and no traffic jams. I appreciate the occasional deer,rabbit or raccoon crossing the road...
You can run it out as long as you want. This is one of several ways to stay positive. For more about this and other ideas visit Extremethoughtmakeover.com. A friend of mine, Dr. Rick Schaefer created this site and it can be very helpful if you are interested in the "Law of Attraction" or "The Secret".