What are you using to get that graph?
This one, and absolutely recommend it!
Reset from 52>48 after a 6 month break, cleared out ~1200 reviews, now back to 0/0.
Total time about 11 days.
Now I should probably focus on getting my 300+ apprentice items brought down a bit. . .
3 days ago but i forgot to post.
started level 7 with 74 lessons. taking it slow is just so much better!
started with less lesson on this level so i was able to get to 0/0 without doing over 15 lessons a day. happy"