I studied A-Levels at Epping Forest College. One of the subjects I took was psychology. Oh how I flunked this in epic fashion. I ended up with a N for my final grade. For those who don't know N stands for near miss. As in you nearly got an E, but not quite.
I came across a really great Ted Talks video on psychology and it just jogged my memory of my very short stint studding this field.
The video covers the one thing which extremely happy people have allot of in compariosn to the unhappy.