I need ideas for a personality theory i have to make up and explain for my psychology class?

Theories of personalities are only theories and nothing more. There is a lot of commercial use of these and elements many insecure people propose to have and therefore the subject interest those significant. It is impossible to describe any personality for these are made of many idiosyncrasies and like fingerprints, billions of different personalities are the result or no two alike. The concept of personality is set in a way of a concreted measure by the age of 8 years old and does not change over time as you may see, concrete cannot be altered. You may find more studies on the personality in Adolescent Psychology.