I have a difficult time with this question.
I have a bachelor's degree in Social Work. The first half of my university education was dedicated to becoming an elementary school teacher.
Then I realized that there was no way I could deal with that many children, much less keeping them on task, ESPECIALLY if I feel like they're just expressing their self in a funny and not-destructive way.
I think the reason that I decided to go into teaching was that I wanted to help people, and I loved the idea of having summer off. I sat in class after class but never meshed with my co-students. We just didn't really bond, and I realized at the beginning of my fourth semester at Olivet that one of the reasons we weren't meshing was that we didn't have the same passions. I wasn't passionate about teaching.
So what to do? I went back to high school (for cereal!) and spoke with my guidance counselor for a bit of advice. After our meeting, I decided to change my major to Social Work.