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[amour-propre414.livejournal.com]

I am looking for an AU fic/series where Brian and Justin raise 3 or 4 kids in the future. They become grandparents when one of their daughters has a baby when she is still in high school. They stay with B&J for the first couple of years until their daughter moves out with her girlfriend. The line that sticks out is Brian’s response to his granddaughter’s moving out which was something along the lines of “over my dead body”. Any help would be appreciated!

ETA: It's I Want You to Know by Sun. Thanks janeaustenfan!