cancellation / breakup / calling off / resolution

break up (relationship) / call off (engagement) / break off (promise), dissolve / resolve a conflict

schedule / plan

be planned / expect

sudden

suddenly

all of a sudden, all at once

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