I Can Stop Anytime I Want

Castiel is, of course, aware that something strange is going on. Famine's influence has him stuffing himself constantly, Sam craving demon blood, and humans dying on either side of them. They should be focusing on the Horseman. And not the fact that Dean can't keep his hands off either of them. Request. WARNING: Contains Wincestiel, Wincest, stuffing, feeding, and (sorta) wing!kink