Im super happy for you newlife! I understand where youre coming from. Would it help to look at this as an adventure? Theres going to be mis-steps, dont expect perfection. Im excited for you. You get to create a new you

Since the steps youre taking are helping then part of your life could be spent doing those same things. Im reminded of a zen proverb: Before enlightenment, carry water. After enlightenment, carry water.
You get to add new interests or re-ignite old interests in a new way. I understand your apprehension. Try not to burden yourself with over-expectation. Give yourself time, relax, breathe, step your way through it. Expect some setbacks but keep getting up! Have fun with it! Be careful! Best to you always