As a reader who tends to prefer the quieter, aftermath-focused stories, I think a lot of the most effective fanworks go back to the mundane moments. The shared space in Victor’s Village, the silence that isn’t just awkward but heavy with things they can’t say. Someone writes about Peeta quietly sketching while Katniss watches the fireplace, and that’s where the emotion is—not in a big speech, but in the space between them finally becoming safe enough to hold the unsaid. The undercurrent is always the memory of the arenas, but I see more interest in the burden of being each other’s anchors long after the cameras leave.
You get a sense of their survival guilt twisting into a weird form of caretaking. Katniss’s motivation often feels less romantic and more a grim, practical need to keep him alive because she promised. The fiction that really lands shows her anger and protectiveness as two sides of the same coin. Peeta’s side usually explores the fractures in his own memories—his trauma gets dissected more, but through his art and his stubborn, gentle insistence on normalcy, which is its own kind of coping mechanism.
Honestly, the best stuff I’ve found is on Tumblr or in smaller archives tagged with ‘post-mockingjay’ or ‘recovery fic’. It’s rarely about grand declarations, but rather the specific, like Peeta remembering a detail about her childhood that even Katniss forgot, and her not knowing what to do with that.