to commute, to go back and forth, to ply between, to attend (school)

a hospital (large medical facility)

medical treatment / cure

to treat (medically) / to cure

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

(medicine, oncology, pathology) cancer / (figuratively) cancer

cancer

mental hospital