Welcome Sarah! 
Lots of good advice above; I just wanted to chime in and add my voice to the welcome party.
Read around, explore the writing here, and take some time to check in if you can - it is super helpful for getting out of your head and staying grounded (at least it is for me):
Checking in daily to maintain focus #41
You’re a good person and you deserve a safe, sober life where you can be your full self. 