My progress goes back and forth, and it also changes it's individual states.
Not 'slow' in my case.
More like, waking up with +2 ahead, tomorrow's a -5, then the day after's -.2, then more -.5 or so, then jumped to +6 and gradually reducing all day...
Certain cycle's a -2 or so, then randomly glimpsing +4 ahead...
Getting frustrated because the +.2 for then last few weeks jumps to -4.
And so forth and so forth..
There are times my maturity mainly stopped, only to suddenly keep up, and to stop again. Or, regress a few, then grow up again then stop, then regress...
So my 'milestones' is more of a 'range' than something more fixed.
It's like a roulettes of sorts, and a manual type at that.
Something is 'not automatic'...