richie

-arcade with the losers club
-the others leave after a while
-it's just the two of you
-lunch at the diner
-"happy birthday, richie."

bill

-you bring cupcakes over to his house
-they spell out bill
-he's never been more in love with you
-"god i'm lucky to have you."
-best day ever

eddie

-you invite him over to your house
-ben goes out to set up the suprise party
-a day of cuddling and kisses
-you drag eddie outside to the party
-he ends up falling asleep on you

stan

-a picnic with the losers club
-stan's amazed you planned this in a day
-henry and his gang show up to ruin the party
-but you all kick their asses
-"no one ruins my stan's birthday."

beverly

-suprise parties for days
-"honestly, you're something else (y/n), but that's why i love you."
-you made her cake all by yourself
-the others are there too
-it's the best birthday bev's ever had