He shifted his discourse from depicting dating life and marriage to "them dating for real being the endgoal" almost a year ago. Them ending together is now the endgoal, not a milestone in the manga.
Then when one jp twitter user called him out for the mamga havkng reached the length of the og Dragon Ball manga, he said the characters didn't act as how he wanted and without realizing, the series reached 42 volumes. Basically confirming now the story can go amywhere, maybe the endgoal is intact, but the path towards it is the thing that may have major setbacks.
Everything that can happening now is an excuse to drag the story over 700 chapters.
Not the one to say this, but he also intends to make Chizuru give up on acting. Question is when? And how? But he said that during one of his twitter spaces.