to suppress feelings

pent-up feelings

gather, accumulate

pile, pool, such as a pool of water / gathering place, a place where people come together / waiting place for a sumo wrestler outside the ring / Short for 溜まり醤油. tamari soy sauce

an emotion, a feeling, feelings, a sentiment

long / (time) long, lengthy

a state of stopping; stagnate

delay; stagnation; obstruction / delayed payment

be overdue, be in arrears, back up, be stacked up

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend