Hmm, well it has to come from him since Katniss and Prim aren't going to be competing. Maybe they could have a heart to heart in the arena, or right before the games and Gale just realizes that she's his best friend and he tells her how much he cares? Orrrr, we could have him get blown up by the force field the way Peeta did, and when he sees Katniss leaning over him, and not Prim, he's weirdly disappointed that the first person he saw was her? 

Haha, that's like saying we hope we don't cry eventually. Every time I try to cut a post down, it ends up being long. Don't worry about the length, though. I always like your posts c: