Dean: don't worry Sam Jack is not gonna cause any problems besides I get to finally introduce him to Cas

Sam: you sure a angel is gonna like a half human half dragon

Dean: they are both winged beings I'm sure it will be fine

Cas: what are you two talking about

Dean: Cas there you are I want to introduce you to someone *looks around* where is he

Jack: *flies in and lands and turns back* what's going on

Dean: there you are Jack I want to introduce you to my friend Cas Cas this is Jack the new member of the Winchesters

Jack: woah no way you are a Angel

Cas: you are a interesting creature a human who can turn into a dragon

Jack: that's not all actually *lets wings and tail out* tada

Cas: amazing you are really interesting Jack

Jack: *tries not to blush* you are too

Cas: *blushes a little*

Dean: now me and Sam need to do a hunt you two behave while we are gone *walks away with Sam*

Jack: well I guess we can know each other better

Cas: yeah

*couple of hours later*

Cas: you know Jack you are a amazing person I don't get why people are scared of you

Jack: *blushes* really*

Cas: *nods* in fact I think I like you a lot

Jack: *blushes more* I like you too you are one of the only people that isn't scared of me

Cas: *blushes a little and smiles* I guess you are with me now huh

Jack: yeah I'm not really used to someone actually liking me

Cas: me either but *holds Jack's hand* I'm glad it's you

Jack: *smiles* me too what if the others find out

Cas: I'm sure it's gonna be ok