Didn't we already get that?
They mean 40 more chapters than we got.
But that aside, this has had a very nice progression. They make progress and sustain it. As in, once they started going on outings, they kept on doing that. Once they started being more honest about their feelings and wants, they didn't slip back to bad communication. They started holding hands occasionally, then did it more and more often and got less embarrassed each time.
This is good shit.