Psychology research shows that happiness has a freezing point. This freezing point determines a person's overall presence and character.

Our mood, strolling around the freezing point. We are happy when a positive event, but a negative situation encountered deplore once again that the equilibrium point is reached.
Accordingly, anyone can choose happiness a seçenek.psikoterapist William James says: "the greatest invention of all time is the following information: a human life can be changed by modifying the movements and attitudes."
Just try it. Even a little effort will work. An experimental study published in the Journal of Positive Psychology is just happy that the experiment showed even work.
Try to feel happy as a result morale is high from the experiment were divided into working groups.