One of my FAVOURITE ship dynamics to write or read in fics is when two characters are basically already a couple but they just haven't realised it yet. They call each other up at like 3am, they cuddle, they sleep in the same bed, they fall asleep in each other's arms, they hold hands, they practically live together, they talk about having a ~ special connection ~, they just haven't actually kissed or done the do or talked about their feelings yet so they're still both like "but I just don't know if they like me in that way!!"