I was involved in music, acting, and some running, but my firm wish was to become a doctor. That was the formative age when I had decided on the pattern of my career.
One of the most predictable things in life is there will be change. You are better off if you can have a say in the change. But you are ignorant or naive if you don't think there will be change, whether you want it to or not.
Do I think I was put here on earth to be a journalist and to seek truth? No, I don't.