Congratulations on day 8!
Every detox is different--from personal experience. In different people, it's bound to have even more variations, so I wouldn't worry about the anxiety too much right now. You're seeing a counselor, right? Keep them up to date on that. Plus, if your last ativan is tomorrow, you've probably been slowly coming off of them, which means you're body/mind is being less numbed and more exposed to the reality that it's gonna have to deal with.
I had a similar thing my last few days of the benzos they gave me.