Call it what you will; pondering a lot over the recent years, reading more, studying more... I'm not sure exactly what it is, but you come across as a particularly profound/intelligent individual. I'm not sure exactly why I predicted medical careers to be honest, you just seem... I don't know, more certain of yourself. It seems like you've been planning a bit, and many people I know that "plan ahead" do so for medical careers.
What do I enjoy doing most?....hmm, I'm not entirely sure, I do very much enjoy helping people in some form or another... I feel a special kind of happiness when I'm helping another human in some way (medical, psychological, or otherwise). Psychology is just enthralling, the subject itself keeps me motivated - there's always more to learn... I guess I'd say my interest (currently) lies in a small branch of Abnormal Psych (Depression, and Anxiety related disorders) + Cognitive Behavioral Therapy. Sometimes the physiology of it all gets a bit tedious, but that's just me... I'm a bit better with concepts.
Yup, new perspectivers are always good, though not always easy to come by... I suppose that's what I enjoy most about college - the in depth discussions - there's always so many different perspectives.