What is Supervision, and Why Would Anyone Need It?

What is Supervision, and Why Would Anyone Need It?
To be perfectly frank, the concept of supervision is a relatively new one for me. It may seem strange, but I never came across this term when I was studying psychology basics at university. Once I finally learned about the practice of supervision, I sighed with relief. Everything had come together for me, and my perception of psychotherapy changed from an unsteady, risky practice into an almost exact science. So, who is a supervisor? Simply put, this sp...