"I'm getting embarrassed" hahahaha so she's human too xD somehow this single line makes her a lot better... Kinda cute you know.
It's great to see a romance where the chaser is so good at her job, often you would see idiots, naive or awkward people doing it all wrong but then sporadically throw a good line and then all is forgiven (plus a cute face) but here she's trying her very best to show her good points while complimenting her lover too, ain't that amazing?