On a related note, I found out that I was writing Sirius/Remus slash when I was in grade six. It was not explicit, but imagine my shock at 5 years later pulling it out from my mattress going "0_o?"
(it turned out to be Tonks imitating Sirius in order to make Remus feel better, thus the only reason they're going out is so Tonks can hit dat and so Remus can have Sirius when they're alone)