In most of these fanfictions, they interact with a great deal of mutual respect. Rick often looks to Andrea for her sharpshooting skills and her strong will. Andrea, on the other hand, depends on Rick's leadership. They usually have some deep conversations about survival and the future.
Well, 'Surviving Together' is a fanfiction that focuses on Rick and Andrea's partnership. It shows how they grow closer as they face challenges side by side. It has some really interesting character development for both of them. There's also 'Rick x Andrea: In the Shadows' which takes a more mysterious approach to their relationship, with some unexpected twists and turns.