Seventeen words and Aussie, you are on the way to being wildly successful adults! The ability to change course when you don’t feel there is a fit is a critical skill. That said, your work life is roughly 45 years long. Not everyone finishes at the same spot they began - it is often a matter of evolution. I am unusual - I picked my career at 11, and have continued to remain passionate about it for 40 plus years. That said, I absolutely wish that I had done things differently in college (specifically, taken more business coursework to supplement my courses as a speech pathologist) but guess what! I have an infinite number of opportunities to learn about those subjects as an adult, and they are likely more meaningful now than then. For example, there is nothing like a relatively bad year of profits because you didn’t know to calculate a profit margin effectively to teach you how to effectively calculate a profit margin. 