to jump into, to leap into, to dive into, to plunge into, fly into / to come rushing in / to butt in

(swimming) a swimming pool, a pool / (billiards) pool, a game at billiards

pool, put together

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

an office pool: a betting pool conducted at one's place of employment

swimming pool

as it is

An exclamation of resignation and indifference.