Percy wasn't certain how he felt about Oliver checking on him. On one hand, the concern was touching. On the other, he was a grown and competent wizard. Flying colours in all possible NEWTs! He was not the damsel in distress dangling before a dragon.
Percy bit the inside of his cheek and continued to tell himself Oliver meant well.
They were having a private conversation, but it was finished. For now. "Of course I'll be all right. It is getting chilly out here. We should all head back inside," he answered with a nod.