Both the most recent chapters of this and (moto) Takagi-san have Takagi getting startled out of her poker face; it's a good month for Nishikata apparently.
Of course Dad Nishikata did it on purpose, but he'll get there one day.
Takagi really is as patient as shes evil lol
The whole motion of things and she even said she did get excited yet nothing goes through his brain.
I honestly have no idea how they got married but im sure it took a very long time since despite being super dense he also can really trust anything she says most of the time.