Poor kid, it can hard when you suddenly suspect the person you like most actually likes someone else more, but can't even ask because that would be childish. Even if you leave potential romance out of the question entirely.
(...I feel like he's underestimating the possibility of a one-sided GL twist, too, given the genre. But then again, I have some hope that the author will keep things simple, and that this is just another ploy in the "I don't know how close or far away from each other we are" situation the author has set up precisely to avoid having things like love triangles for tension's sake.)