I'd recommend diving as much as you can and along the way pick up AOW, Rescue, Nitrox, Deep, and may be Altitude and Navigation if needed. And along the way, ignoring the DM and instructor sales pitch from your instructors, you can run across what you enjoy doing as a diver and then focus on that, and it may be instructing after all. Point being, it looks like fun to be a highly trained instructor and authority figure, but you are just starting and there are a multitude of things to do and see diving, and you haven't scratched the surface yet. You can become a DM and instructor anytime along the way and bring experiences to your students that are unique.
My personal focus has moved from one thing to another over the years, and have always enjoyed being underwater. Although I have been a mentor on occasions, I realized along the way that I liked to dive a lot more than I liked to teach, teaching takes more patience than I have for people, and is too repetitious to keep my attention focused. Another consideration was that the time I was able to spend away from my family, I would rather enjoy my diving with friends instead of having a another job, and, on the average, a low or non paying one at that.
Bob
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A good traveler has no fixed plans, and is not intent on arriving.
Lao Tzu