As a child I enjoyed watching classic films with my mother and attempting to evaluate and interpret each character's development throughout the picture.
Scrap the first sentence and start with this one (above). Then, talk about how your evaluation of personality types evolved into an interest in (name a type of psychology).
You should specify a school of thought... like, cognitive psych, or psychoanalysis, or existentialism. Also, specify certain techniques: Maybe you are interested in REBT (Ellis) for example. Learn about a particular kind of psychology, and show that you are already being proactive about your studies!
Congratulations on writing a brilliant essay down below, there. I think the beginning is intriguing, and... the ending, though, the ending needs to finish by telling "how does it relate to the person you are" -- and that has something to do with the program into which you are enrolling.