There's Linden's Four Winters - part I (http://archiveofourown.org/works/1007585/chapters/1998257). Sam is underage, and this is pre-series, pre-slash, but you can certainly see it coming. (no pun intended)
There's I'd Gladly Lose Me to Find You (http://archiveofourown.org/works/2215497), about what Sam had to do to pull Dean out of Hell.
You might like I See the Moon (http://archiveofourown.org/works/799092/chapters/1505236), where Sam gets the normal life he wanted, only to realize that Dean is really what he wanted - just as Dean begins to forget him.
The Brother's Blood (http://archiveofourown.org/series/31493) series starts out with Sam rescuing Dean from a vampire. Intense.
Leonidaslion's Bright Lights of Disturbia (http://archiveofourown.org/series/7424) series. Very intense.
runedgirl's wonderful The Year of Letting Go (http://runedgirl.livejournal.com/32053.html)
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Sam is underage, and this is pre-series, pre-slash, but you can certainly see it coming. (no pun intended)
There's I'd Gladly Lose Me to Find You (http://archiveofourown.org/works/2215497), about what Sam had to do to pull Dean out of Hell.
You might like I See the Moon (http://archiveofourown.org/works/799092/chapters/1505236), where Sam gets the normal life he wanted, only to realize that Dean is really what he wanted - just as Dean begins to forget him.
The Brother's Blood (http://archiveofourown.org/series/31493) series starts out with Sam rescuing Dean from a vampire. Intense.
Leonidaslion's Bright Lights of Disturbia (http://archiveofourown.org/series/7424) series. Very intense.
runedgirl's wonderful The Year of Letting Go (http://runedgirl.livejournal.com/32053.html)