omfg it would have been very reasonable for the male to say "goodbye, may your future endeavors be blessed" instead of "see you tomorrow"
if korean women are actualy like that then korean men must be doormats or they wouldn't be able to procreate
"my hair being greasy is more important than your feelings of rejection"
as long as he doesn't rape (no body can deserve that) her i say the female lead deserves about everything the male lead can throw at her
edit: the frequency of washing your hair has alot to do with the climate your living in as well as the length if your hair and your sweating habits
if your hair is short like mine (max 15mm) and its neither hot nor freezing then twice a week is more than enough