Please check out these stories
Where Are They Now?- by Eat-Sleep-Read, Story about Sam and Freddie seeing eachother ten years after they break up.
Just the Girl-by WriteAllNightAndDay, Story about the next ten years of the Seddie relationship.
You can get the links on the Seddie Fanfiction page.
These will give you hope after the Seddie breakup, plus they are really good!!!!