"I [i]am[/i] fine," you insist, even though you really don't know about that. You look away when the strange-looking stranger rolls his eyes, as if you're insane or something. One of the important things about staying alive on Alternia: don't let others know your weakness. 

It's a lot easier said than done in cases like this. But you at least deserve credit for trying. 

"I'm fine. And I don't need your help."