Hosea and Dutch? Now there's a pairing that always feels more about the fracture than the foundation. The interesting thing with fics for them is they're almost never about building trust up from scratch—it's about the erosion, the slow rot, You're watching two people who already have decades of history, who already know each other's tells and soft spots, use that knowledge against each other or in desperate attempts to cling on. The emotional growth is often negative growth, a descent into paranoia and disillusionment. You'll see fics set in the early days, sure, trying to sketch out how they built that legendary partnership, but even then there's this shadow hanging over it because we all know how it ends.
I think the most poignant ones are the post-canon fix-its, or the 'what if' divergences. Where Hosea lives, maybe, and has to confront Dutch's spiral head-on. That's where you get the real gut-punches about trust: it's not about learning to trust, it's about unlearning distrust, or trying to salvage the last splinter of it. A fic I read recently had Hosea, after a bad injury, having these moments of lucidity where he'd see Dutch's panic and ambition and just... go quiet. The trust was still there, but it had become a cautious, sad thing, like holding a wounded bird. The growth was in Hosea accepting he couldn't pull Dutch back, and Dutch realizing he'd lost his one true anchor.
It's less about grand romantic gestures and more about the small, broken rituals. Sharing a cigarette on the wagon seat in silence, a hand on a shoulder that isn't shrugged off—yet. The trust is in the spaces between the words, until those spaces get too wide to cross.