[ Clark looks up at Guren and his eyes are soft. ]

I'm sure you won't. But I'll feel better if I do.

[ He's just going to get to work, with careful, thorough hands and workman like efficiency. He'll do his best to minimize pain the pain as he works but not in exchange for taking care of the wound properly.]

You shouldn't always rely on pain tolerance training. If you can minimize pain in other ways, that frees up your concentration for other, more important matters. It's just a matter of prioritization.