youth (part of life following childhood)

to smile

smile

youth; adolescence

reminiscence, reflection

to reminisce, to reflect

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

age, era, period (of time) / the times, spirit of the age / antiquity / a time in one's life, one's days (in college etc.)