>>281473472
The aftermath of the last arc had Kusunoki realizing that Keisuke is special for her. With him coming close to realizing the same thing. Plus, Moe's upcoming arc seems to be about romance so there is obviously going to be more development in that department for both of them.
There is no need to rush. It's slow but there is progress.
>>281475166
Why would you assume that? Seriously, there is nothing to indicate the author is that kind of person.