@CraftsDmen a scene in a previous chapter hints that she has given up on the MC and has activated a backup plan. Both reasons and plan are unknown yet.
About time he realized. Then again, it has never been an important plot point since it's introduction so whatever. At least it might kickstart a change on their relationship, just hoping it doesn't take another 250 chapters...
It happens way too many times with web novels. At some point, the author loses motivation since he started writing without a plan in mind and he just meanders about a bit. Some recover, but most just keep steadily degrading until it ends nowhere.
@Patware some people like to flaunt their "impeccable" taste by loudly proclaiming they're dropping a series, then explaining their reasons.
They're obnoxious.