Good. [ He means it, a little tension leaving him at the reassurance. He considers the other members of the crew allies, but more than that, he likes them. They may even be friends, despite some of their more prickly natures. ] At least you're the only one.

[ The only one with a potentially serious illness that they have no idea how to cure. Cain's more worried than he's letting on. But Siegfried is steadfast and implacable, and at least he doesn't seem to be suffering the effects too much. It's enough to have Cain making a note to keep an eye on the situation but still willing to see how it plays out. ]

Well, I know what it's like not wanting the people you care about to worry. [ Cain's done more than his fair share of hiding injuries, after all. ] If it gets worse, you're not going to be able to keep it from them without some help, though.

[ A tacit offer; Cain's not going to demand Siegfried tell the others, but since he knows, he will extend what help he can. ]