Congratulations on 22 days!! I've been on anti-d's a few times, and it took 2-3 weeks before they kicked in.
22 days is great, but it's still early recovery. What I was feeling at a month is nothing like what I was feeling at 6 months (better). I think if it had been easy, I'd never have stayed in recovery. I would have been the one that said "oh, THAT was easy..I can do that over and over"..not.
I'm glad you are working with your GP and are aware of your "normal" struggles later on down the road. Just knowing stuff, for me has helped me to beef up the support around those times.
Hugs and prayers,
Amy