Can't Fight This Feeling by Nuketrix
How about Noah is still closeted and trying his hardest to remain that way. Luke, on the other hand, is either out or at least more likely to accept his sexuality than Noah. Anyway, either intentionally or unintentionally Luke starts chipping away at Noah's closet door. Seduction and jealousy would play a major role and, of course, a good bit of angst. There needs to be a lot of almost-moments to spice things up and maybe a beard or another gay guy making Noah jealous. Ultimately, they need to end up together though!