Given the nobility set up and that she's a higher rank than him, everyone should know what arc is coming, the save her from her fiance that she's being forced to marry arc.
@chekage, yes, yes, she expects him to figure out her not so cryptic messages but since he's a little stupid it's going to take him a while to get it, before she does something dirty, and if he doesn't she's stupid enough to hope he'll still love her after the fact.