Dean had failed to protect his kid brother once, and Sam had been left to live with the consequences, he wasn't about to do it again. Not ever. Set in Season 1. Teenchester flashbacks. Hurt/Sam and Protective/Dean.
Dean struggles to understand why his little brother is acting so out of character this Halloween. Teenchester. Hurt/Sad/Sam and Big Brother/Caring/Dean. "The things I do…the things I give up, I do it for you Sammy, not because of you."
After the events of the second trial, Sam is plagued with night-terrors. Dean is the only one who can save him from the horror of the memories entrapping his mind. Post 8x19 Taxi Driver. Hurt/Traumatized/Sam and Protective/Big Brother/Dean.
Dean looks after a hurt and sleep-deprived Sam. "My little brother was a lot of things, but a burden sure as hell wasn't one of them." Teenchester. Hurt/Exhausted/Sam and Protective/Caring/Dean. One-shot.
"I wasn't choking on food, but a memory, one so dark and so violent that my body was physically rejecting the recollection. Sammy's face was frozen in a look of abject horror, a look I had sworn would never again obstruct his features." Sam and Dean discover that not all evil is supernatural; in fact the darkest evil of them all is of a human nature. Hurt/Sam, Protective/Dean.
Dean struggles to find a way to help Sammy heal, both physically and emotionally, from the events that occurred in Skin 1x06. Hurt/Scared/Sam and Protective/Big Brother/ Dean and a little dash of Fatherly/Bobby.
After a difficult hunt and a bad day at school, an injured and frightened Sam is in need of some reassurance and Dean is just the one to provide it. Teenchester. Hurt/Scared/Sam and Protective/Big Brother/Dean.
Dean struggles to find a way to help Sam through the first Valentine's Day after Jessica's death. Together, the brothers recall a memory from their childhood. Hurt/Sam and Big Brother/Dean. Two-shot. Teenchesters. Season 1.
While away at school, Sam receives Dean's amulet in an unmarked package. Could it be a simple mistake? Or is there something much more sinister at play? Sam and Dean are captured by a hunter desperate for revenge. Hurt/Worried/Sam and Hurt/Protective/Dean. Pre-Series. Stanford-era.
In the aftermath of a hunt gone wrong, Sam and Dean both struggle with guilt as they work to look after each other. Teenchesters. Hurt/Worried/Guilty/Sam and Protective/Caring/Guilty/Dean.
Summary: Sam wakes up from a nightmare and needs his big brother to make everything okay. All the while Dean needs his little brother to remind him that he's not alone. One-shot. Stanford-era. Pre-series. Frightened/Worried/Sam, Comforting/Jess, and Big Brother/Caring/Dean.
Sam worries about Dean while he takes care of him after the fight with Cain. Missing Scene from 10x14. Worried/Caring/Sam and Hurt/Dean.
Sam must take care of an injured Charlie and look after an injured, raging, Dean. Tag to 10x11. Hurt/Charlie, Hurt/Angry/Upset/Dean, Caring/Patient/Hurt/Sam.
Dean is forced to face one of his biggest fears in order to get to his little brother. Teenchesters. Hurt/Sick/Sam and Scared/Protective/Dean. One-shot.
Dean hurts Sam and must deal with his guilt as he takes care of his little brother. Worried/Hurt/Sam and Caring/Guilty/Dean. Could be seen as post 10x09, but fits in prior to that as well.
Dean and Sam struggle to protect each other when a threat arises in the unexpected form of a clown. Teenchesters. Hurt/Scared/Sam and Protective/Big Brother/Dean.
Sam is injured on a hunt and Dean takes care of him. Teenchesters. Hurt/Sam and Protective/Big Brother/Dean.
Dean works to take care of Sammy and make him happy on Christmas Eve. Teenchesters. Hurt/Sad/Sam and Caring/Big Brother/Dean.
It may have been awhile but Dean will never forget how to take care of Sammy; and Sam will always need his big brother, especially when a migraine hits. Set in Season 1. Teenchester flashback. Hurt/Sam and Big Brother/Dean.