period in a child's life when they grow rapidly

(colloquial) current boyfriend

enter

育つ: (for a child to) be raised, grow up; (for vegetables etc.) to grow; nurture, train (professionals)

(humble) a son (male child) / (euphemistic, humorous) penis

time for doing something / period of time / season

up to this very moment

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