999 Days From Now (destiel)
An AU in which a recovered alcoholic Dean owns a diner, Sam is in law school and is clueless about the way Jess looks at him, and Cas? Well, Cas turns Dean's world upside down and maybe, just maybe, gives him a reason to have a little faith.
The love of a lifetime told in a heartbeat.
Written for the DCBB 2014, also posted on AO3. You can see the accompanying artwork here: http://archiought.tumblr.com/post/102540065357/999-days-from-now-dcbb-2014-art-masterpost
Warnings for MCD, angst, and mentions of previous drug/alcohol abuse and child neglect.