Brian/Justin instant connection fics

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Are there any fics out there that give any kind of background story or insight into why Brian was so instantly drawn to Justin? 

It might not have been true love at first sight or whatever but the show made it out to be a definate connection I think and I wondered if anyone had written a fic about it. For instance I just read "Before there was you there was you" by Gina Marie http://www.midnightwhispers.ca/viewstory.php?sid=139 and in the story Brian had a childhood friend who had "visions" of a blonde boy under a street lamp who would become a 'knight in shining armor.' 

Anything that addresses Brian's trust of Justin in naming his son, saying 'I love you' the first night (which I doubt Brian would say without the feelings to back it, even if he was high on E) and so forth. Any help would be great!
 

EDIT - Fics are rec'd in the comments