custom, habit; way

to stick to obsolete customs and ideas

lack of innovation

(not of a person) old, aged, antiquated

old

the past / ancient times

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

習慣付ける: make a habit of, get in the habit of