Reminder that, at 18, she's still technically a "child" in Japan, who come of age and are considered adults at 20. I do believe she's still not allowed to marry without parental permission.
@Duckey Coffee is normally a very hot, bitter thing, which are things that most kids do not care for, preferring cool, sweeter things. As one grows up, one's tastes change, and they start liking more bitter things.
Of course, everyone's tastes are different. Some love bitter things even as a...