When you get home from a USY even (conventions, dances, trips etc...) and you are really overwelmingly sad that the event is over and you look back at you time and was like woah i did some crazy shit at USY and you miss all your friends and you start counting down the days till the next event
Rebecca: Yeah I just got home from Spring Convention
David: Oh yeah me too
Rebecca: AHHHH I WANNA GO BACK NOW!!!
David: yeah USY= life