a hospital (large medical facility)

to undergo medical treatment / to recuperate

medical treatment / recuperation

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

long / (time) long, lengthy

chief, head, leader

strong point / (music) major / chief, head, leader

long / lengthy