(idiomatic) to throw out one's chest; to be puffed up with pride

stage, a place for performance / performance on stage / (video games) stage, level

spread, fill / swell / put up, spread / stick out (arms, chest), be prominent / stretch a rope, post a cordon / slap / be nervous, be tense / be expensive / add (water) until a container is full

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

chest, breast / heart, inner thoughts

to stand, to stand up, to rise / to depart / to close / of something physical but not solid or liquid: to be released, to rise

"life stage": stage of one's life (infanthood, youth, etc.)

breast, chest / heart, feeling, thought