Not For Me Nothing Is

Anonymous Prompt from Tumblr in response to "I wish you would write a fic where...""...where the last thing Sam wants to do after multiple non-consensual and dubiously-consensual possessions is let something else inside his body to use as a meatsuit... until Castiel appears with injured Grace, reluctantly admitting that without Jimmy's soul helping bolster his Grace to heal himself, he's very likely to "bleed out" and die unless he can possess a soulled vessel. Dean's not able to take his turn housing an angel, but there's nothing Sam wouldn't do for Cas... if the angel agrees."