Mood is such a tricky thing to understand, and even harder so to control. There is no magic way of affecting it, let along instantly changing it to a positive state. Yet, some people seem to be always happy, while others spend most of their time mumbling and complaining with no particular reason. So, what’s the difference? And is it possible to decide what mood you want to be in in any particular moment in time. The answer is – yes, it is not only possible, but is relatively simple to achieve.