all duct tape and safety pins inside

Title: We Three Kings
Author name: cosmic_medusa
Genre: Dean/Cas, Sam
Characters: Dean, Sam, John, Missouri                             
Rating: R (language, addiction)
Word count: 2,800
Warnings/Spoilers: A complete alternate universe. My Dean/Cas is very tame. Angst/schmoop/addiction/protective!Dean/addict!Sam/awesome!Cas
Author's Notes: Fully intend for this to become a 'verse.
Beta: All mistakes are mine.
Summary: Cas, a doctor, falls in love with the mechanic, Dean Winchester. He understood, early on, that this meant adopting his younger brother, Sam. He didn't, however, count on all the loss that would follow the Winchesters, the addiction that would trouble Sam, or the problems his own family would cause following his commitment to the boys. Along the way we'll meet all our faves from the series, including Cas' extended clan.

Follow the cut:

Cas winced at the sound of Sam retching for the fourth time in a row. Dean crouched behind him in the downstairs bathroom, one hand clenching his forehead to keep him from smashing his forehead on the porcelain, the other resting on his shoulder.