This was written for interhouse_fest, and it's longish, so rather than repost it, I've just linked to the interhouse posts here:
pairing - Pansy P & Seamus F
rating - PG-13
words - 10,100
summary - Pansy's had her heart bruised one too many times, so she decides to move on with her life. But it's hard to move forward with the past staring you in the face.
Part One Part Two Part Three or at
AO3