whats the best part about having a career in the psychology field?

You can read people's minds...I'm just kidding. :)

For me I love being able to understand how people think and finding ways to use that in a productive and beneficial way. I guess it's about doing something good for others.

The best part is that you will gain an understanding of human behavior and can apply that understanding to help others. You will learn how to listen well and expertly and this is a skill that will serve you well in any aspect of life.