Smut warning
The next day
Selena's outfit

Everyone sings happy birthday
Scott: blow them candles out and make a wish
Regina: what is she one
Selena: (smiles and blows out the candles)
Everyone claps
Shane: my baby girl's 16
Regina: my BFF is 16!
They all do their thing and eat
Regina: one party for family and one party for friends only nice
Selena: (laughs) yeah
Shane: (texting on his phone)
Stiles: (whispers in her ear) he's texting a girl go and do it
Selena: later
Hours later
Regina: need me to drive you home
Selena: no let's just say Shane and I are going to clean up on our own
Stiles: I have an idea none of us go home because your mom will flip they shit out if your naked next to Shane and alone
Regina: we'll call our folks
Scott: you and Shane (runs to the middle of the beach making a mark) your side our side
Selena: (laughs) fine
Cheryl: good luck
Selena: (walks over to Shane) hey
Shane: hey birthday girl
Selena: who you texting
Shane: a friend
Selena: follow me (smirks)
Shane: ok?
On their side of the beach behind a thing near the waterpark
Shane: what
Selena: we've been together for a long time I don't want you to cheat anymore and I love you
Shane: Selena its the other way around for a proposal
Selena: (laughs) no
Shane: then what
Selena: (unties her bikini and drops it)
Shane: (kisses her passionately and fast licking her up putting her down on top of her sucking in her neck)
Selena: wait
Shane: what
Selena: condom
Shane: I don't like them
Selena: I know but
Shane: I don't have diseases and you won't get pregnant you can trust me
Selena: is it uncomfortable
Shane: yeah a little but we'll be ok
Selena: please
Shane: fine (puts it on)
Selena: (smiles and sucks on his neck very fast not really knowing what she's doing)
Shane: (whispers) we can go slow
Selena: (nods)
Shane: (sucking on her boobs)
Selena: Ouch
Shane: sorry (takes off her bottoms and kisses down there)
Selena: (moans softly) Shane
Shane: yeah
Selena: you love me right
Shane: yes why wouldn't I look i fucked up by cheating but just for sex we have something deeper than that
Selena: (smiles) really
Shane: yeah (kisses her)
Selena: (hovers him kissing his neck fast rubbing on him fast)
Shane: Whoah Whoah relax just you knew relax into having sex
Selena: well sorry that I'm not a pro like you
Shane: don't worry about it I'll show you and you'll be like me just relax alright
Selena: (nods)
Two hours later
Selena: (breathing heavily) oh my god
Shane: told you
Selena: (smiles) yeah
Shane: come here (wraps his arms around Selena)
Selena: (rests on his chest)
Shane: Out of all the girls you were the best
Selena: thought Petra was
Shane: well she was but that was when you didn't want to have sex I don't have cheat anymore now and your way better than her
Selena: (smiles)
Shane: (looks at the condom) it broke
Selena: great
Shane: I have a big dick
Selena: oh shit
Shane: don't worry about it
Selena: we were rough
Shane: relax the baby gods won't do it
Selena: (laughs) the baby gods
Shane: (nods) yeah
Selena: (kisses his lips)
Shane: (puts his bottoms on)
Selena: (puts her swimsuit on) Shane are you cheating again after tonight
Shane: (shakes his head) no I'm staying committed
Selena: (smiles)
Shane: (goes in his backpack takes out a ring lollipop) till death do us part
Selena: (laughs taking it) what is this suppose to be a   candy ring to
Shane: keep my promise that I'll be with you no matter what
Selena: (smiles) I love you
Shane: I love you more birthday girl (smiles)
The next day
Jennifer: Selena where were you
Selena: beach with my friends all night
Jennifer: (nods) be careful please I don't trust you alone with Shane specially half naked
Selena: it's fine mom we had our friends with us
Jennifer: ok thank god just talk to me please alright I don't want to worry
Selena: I will mom

Happy birthday chnandler!!! He's 19 today!