to be ashamed (of), to feel shame (at)

恥じる, 羞じる, 慙じる, 愧じる: to be ashamed

action; behavior

to act

displaying shame and disgrace

displaying shame and disgrace

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

(と〜) thinking that […] (with the next clause explaining that the truth is contrary to expectations)