Hey there RichL, welcome to the TC 🙂
Seems there is a pile of us here at TC that messed up our 1st taper or two by going too fast.
Sounds like you're doing ok though. Anxiety goes with the territory here...be strong!
Here's a good article from the TC DB...info you can trust
https://taper.community/resources/blog/mirtazapine-withdrawal-symptoms