Riku dramatically went and gently pulled his Prince off Orion and into his arms, exaggerating so that when he carried the Prince off to the grass, people would think he was just being silly, and not that he was carrying Sora to try and spare him the pain of walking over to their stop.
"Here we are, My Dearest," Riku put Sora down gently in the ground on the blanket Philip had thrown down before seeing to the horses. "I will bring you something to drink." That had medicine for the pain mixed with it.