Now that you mention it, I forgot to make the game stop...
I would suggest to not keep playing further, or at least to not save the game unless you won´t use that save for a future update. It may affect the main story and some things could look wrong.
I see; I will erase all later-date save iles just in case.
As a sidenote, how exactly does the game decide at what kind of relationship you currently find yourself in with a given girl? Like, do you require just to reach a certain threshold of relationship points, or do you additionally need to do certain events.